Self-Propelled Windrowers M155 Cab Isolation Kit (MD ... · The Cab Isolation kit (MD #166759) can be used to reduce noise in the cab on MacDon M155 Self-Propelled Windrowers, model

169874 Revision C Page 1 of 38

Contents Installation Instructions .............................................................................................................................. 2

Replacing Front Shock Mounts ............................................................................................................. 2 Replacing Side Stabilizing Members .................................................................................................... 8 Replacing Center Stabilizing Member ................................................................................................ 11 Removing Rear Shock Supports ......................................................................................................... 13 Installing Hydraulic Insulators –Multifunction Control Block .......................................................... 25 Installing Hydraulic Insulators – Drive Manifold ............................................................................... 27 Installing Hydraulic Insulators – Return Manifold Assembly ........................................................... 29 Installing Cable Ties ............................................................................................................................. 36

Part List .................................................................................................................................................. 37

Self-Propelled WindrowersM155 Cab Isolation Kit (MD #166759)

(formerly B5925)Installation Instructions

M155 Self-Propelled Windrower Cab Isolation Kit MD #166759 INSTALLATION INSTRUCTIONS


The Cab Isolation kit (MD #166759) can be used to reduce noise in the cab on MacDon M155 Self-Propelled Windrowers, model year 2014 and earlier. Installation instructions are provided in this document. A list of the parts included in the kit is provided at the end of the document.

The following special tools are required:

• Hydraulic jack (or EnerPac®type lifting device

• Block of wood (2 x 4 x 5 in. [51 x 102 x 127 mm])

Installation Instructions NOTES:

• In these instructions, right and left are determined from the windrower operator’s position, facing forward with the windrower in cab-forward position.

• Unless otherwise noted, use the standard torque values provided in the windrower operator’s manual or technical manual.

To install the Cab Isolation kit, follow these steps:

Replacing Front Shock Mounts NOTE: Shocks and shock mounts must be removed one at a time.

1. Place a small hydraulic jack (A) on the tubular axle frame near the side of the cab as shown at right.

2. Insert a block of wood (B) between the floor of the cab and the top of the bottle jack in order to distribute the force of the bottle jack through a larger surface of the cab floor.

3. Remove 1/2 in. flange lock nut on bolt (A). DO NOT remove bolt at this time as the shock is still under load.

4. Using the hydraulic jack, lift the cab until lower shock bolt (A) is loose.

Figure 1: Jack under Front RH Side of Cab

Figure 2: LH Front Shock



5. Remove hardware at bottom (A) and top (B) of shock (C), and then remove shock. Retain shock, but discard hardware.

6. Remove shock mount hardware (A) and mount (B). Discard.

Figure 3: LH Front Shock

Figure 4: Old LH Front Shock Mount



7. Install the new shock mount (MD #166605) (A) in the same location using two 1.5 in. long carriage bolts (MD #21469) and two flange lock nuts (MD #50186) (B) provided in kit. Do not tighten hardware at this time.

8. Install insulator (MD #166530) top (A) and bottom (B) into shock mount (C) as shown. HINT: Use soap to ease installation.

9. Insert spacer (MD #166539) (D) into insulator bore.

Figure 5: New LH Front Shock Mount

Figure 6: New LH Front Shock Mount



10. Insert shock channel weldment (MD #166579) (A) into insulator.

11. Ensure bolt holes in shock (C) align with holes in top mount (B) and bottom mount (A) before tightening hardware in Step 12.

Figure 7: New LH Front Shock Mount Assembly

Figure 8: New LH Front Shock and Shock Mount Assembly (Front Frame Cross Member Support and

Front Lower Panel Removed for Clarity)



12. With alignment verified, torque mount hardware (A) to 54–59 ft·lbs (73–80 N·m).

13. Install mount flat washer (MD #166532) (B) and flange nut (MD #50225) (C). Do not torque nut (C) at this time.

14. Install shock (A) in new shock mount with one 3 in. long hex head bolt (MD #21560) (B) and one flange lock nut (MD #50186) (C) provided in kit. The bolt head must face the center of the frame. Do not tighten.

15. Attach shock to top mount with one 2.75 in. long hex head bolt (MD #21880) (D) and one flange lock nut (MD #50186) (E), both provided in kit. The bolt head must face the outer frame. Torque both flange nuts (C and E) to 54–59 ft·lbs (73–80 N·m).

Figure 9: New LH Front Shock Mount Assembly

Figure 10: LH Front Shock Installed in New Shock Mount

(Front Frame Cross Member Support and Front Lower Panel Removed for Clarity)



16. Lower and remove the bottle jack, then torque the flange nut (A) to 75–80 lb-ft (102–108 N·m). HINT: Use a large crescent wrench or pry bar to prevent channel from rotating as shown at right.

17. Repeat Steps 1–16 on the other side of the cab.

Figure 12: Tightening Nut

Figure 11: LH Front Shock Installed in New Shock Mount

(Front Frame Cross Member Support and Front Lower Panel Removed for Clarity)



Replacing Side Stabilizing Members 1. Beneath the cab on both sides are stabilizing

members (A). On one side, remove hardware (B), (F), and (G), and then remove link supports (C) and (D). Discard. HINT: Pushing cab rearward will assist with the removal of (F). With (F) removed, allow cab to shift forward to ease the removal of bolt (G) and link supports (C) and (D).

2. Remove the rear mounting bolt (E) that attaches the stabilizing members to the cab.

3. Remove cab stabilizing member (A). Discard.

4. Remove link support (A) and nuts from the bottom of the cab. Discard.

5. Replace the old link support with the new rear link support (MD #166641) provided in the kit. Attach with the new flange lock nuts (MD #50186) provided in the kit. Torque hardware to 54–59 ft·lbs (73–80 N·m). NOTE: New rear link support has an identification notch on each side (see illustration on next page).

Figure 13: Old LH Stabilizing Member

Figure 14: Old Rear Link Support

Figure 15: New Rear Link Support



A – Identification notch

6. Install new front link support (MD #166639) (A) and link support (MD #166640) (B) in place of old link supports. Fasten in place with two 1.25 in. long carriage bolts (MD #21471) and two lock nuts (MD #50186). Bolt threads should face away from cab. Do not tighten. NOTE: New link support has an identification notch on one side (see illustration on next page).

7. Attach new stabilizing member (MD #183209) (C) to front (A) and rear (D) link supports with a 60 mm long metric hex head bolt (MD #152274) and a metric hex flange nut (MD #136036) (E) at each end. Nut must face away from cab.

Figure 17: New Stabilizing Member Installed

Figure 16: New Rear Link Support (MD #166641)



A – Identification notch

8. Torque hardware (A) to 54–59 ft·lbs (73–80 N·m).

9. Torque hardware (B) to 25–35 ft·lbs (34–47 N·m).

10. Repeat Steps 1–9 on the other side of the cab.

Figure 19: Link Support Hardware

Figure 18: New Link Support (MD #166640)



Replacing Center Stabilizing Member 1. Beneath the cab is a lateral stabilizing member

which is mounted to the cab floor and to the right side of the frame.

Remove the hardware (A) connecting the stabilizing member (B) to the frame. Discard hardware.

2. Remove the hardware (A) connecting the stabilizing member (B) to the center link support (C), and then remove the stabilizing member (B). Discard.

3. Remove the hardware (D) connecting the center link support (C) to the cab, and then remove the center link support (C). Discard.

Figure 20: Old Center Stabilizing Member

Figure 21: Old Center Stabilizing Member

Figure 22: Old Center Link Support



4. Install new center link support (MD #166642) (A) with existing welded bolts and two flange lock nuts (MD #50186) (B) provided in kit. Torque to 54–59 ft·lbs (73–80 N·m). NOTE: The new stabilizer mount has identification notches ([A] in Figure 24 below).

5. Install new stabilizing member (MD #183209) (C) with one 60 mm long metric hex head bolt (MD #152274) and one metric hex flange nut (MD #136036) (D) at each end. All parts are provided in kit. Torque to 25–35 ft·lbs (34–47 N·m).

6. Install new side link support (MD #166644) (A) on the windrower frame with two 1.25 in. long carriage bolts (MD #21471) and two flange lock nuts (MD #50186) (B) provided in kit. Torque to 54–59 ft·lbs (73–80 N·m).

7. Attach new stabilizing member (C) to side link support (A) with one 60 mm long metric hex head bolt (MD #152274) and one metric hex flange nut (MD #136036) (D) provided in kit. Torque to 25–35 ft·lbs (34–47 N·m).

Figure 23: New Center Stabilizing Member

Figure 25: New Center Stabilizing Member

Figure 24: Center Link Support (MD #166642)



Removing Rear Shock Supports NOTE: Shocks and shock supports must be removed one at a time.

1. Place blocks (A) on the lower frame flange and position it beneath the cab.

2. Place the jack (B) on the blocks. Place a block of wood (C) on top of the jack.

3. Remove 1/2 in. flange lock nut that holds the bolt at (D) on inside of frame from bolt.

Do not remove bolt (D) at this time as the shock is still under load.

4. Using the jack, lift the cab until bolt (D) is loose.

For additional safety, place blocks (E) between the windrower frame and the cab. IMPORTANT: Damage to air conditioning lines may occur if cab is lifted too high.

5. Remove the bolt at (D).

6. Remove the nut (A) connecting the rear upper shock support (B) to the rear panel of the cab.

Figure 26: Jack on Rear Frame Flange(Top: LH Side, Bottom: RH Side)

Figure 27: Old LH Rear Shock and Shock Support (Left Lower Post of Cab Removed for Clarity)



7. Inside the cab, under the training seat, the Windrower Control Module (WCM) cover (A) must be removed.

Pull up the cab insulation (C) to gain access to the cover hardware (B), then remove the hardware and the cover (A).

8. Remove WCM (A) from the cab wall.

NOTE: Do not unplug the WCM harness (B).

Figure 28: WCM with Cover

Figure 29: WCM with Cover

Figure 30: WCM with Cover Removed



9. Pull back floor mat and remove plastic cap (A).

10. Remove floor mount nut (A) and discard.

Figure 31: Beneath WCM




11. Remove rear upper shock support and shock.

12. Disconnect shock (A) from old shock support (B). Discard support and hardware, but retain shock.

Figure 33: Old LH Rear Upper Shock Supportand Shock

Figure 34: Rear Shock and Shock Support



13. Install insulator (MD #166530) (A) and spacer (MD #166539) (B) in new left shock support (MD #166695) (C) as shown at right. All parts are provided in kit. HINT: Use soap to ease installation.

14. Install new shock support onto cab. You will need to remove approximately 2-9/16 in. (65 mm) of foam insulation (B) from the rear cab wall to fit the new parts in place. Torque hardware (A) to 54–59 ft·lbs (73–80 N·m).

Figure 36: Inside Rear Panel of Cab

Figure 35: New LH Rear Shock Support



15. Reinstall plastic cap (A) and floor mat.

16. Reinstall WCM, cover (A), hardware, and wall insulation.



Figure 39: WCM Reassembled



17. Attach shock assembly (A), removed from windrower in Step 10, to channel weldment (MD #166579) (B) with a 3 in. long hex head bolt (MD #21560) (C), flat washer (MD #18599) (D), and a flange lock nut (MD #50186) (E). All parts are provided in kit.

18. Torque hardware to 54–59 ft·lbs (73–80 N·m).

19. To install rear shock assembly into mount, insert bolt (A) on the top of the rear shock assembly (B) through the spacer in the top of the shock mount assembly (C) as shown at right. The bottom of the shock assembly (B) fits into the shock support (D) on the windrower frame.

Figure 41: Rear Shock Assembly in LH Rear Shock Mount

(Left Lower Post of Cab Removed for Clarity)

Figure 40: Rear Shock Assembly



20. Install flat washer (MD #166532) (A) and flange nut (MD #50225) (B) onto bolt protruding from top of rear shock mount assembly (C).

21. Torque flange nut (B) to 75–80 ft·lbs (102–108 N·m). HINT: Use a large crescent wrench or pry bar to prevent channel from rotating.

22. Using the jack, lower the cab until the hole in the bottom of the shock lines up with the hole (A) in the shock support.

Figure 43: Shock Support

Figure 42: Rear Shock Assembly in LH Rear Shock Mount

(Left Lower Post of Cab Removed for Clarity)



23. Attach shock assembly (A) to shock support (B) with one 2.75 in. long hex head bolt (MD #21880) (C) and one flange lock nut (MD #50186) and torque to 54-59 ft-lbs (73–80 N-m). Lower and remove bottle jack.

24. Repeat Steps 1–6 for the right-hand shock mount.

25. On the right side of the cab, rotate latch (A) and grab hold of the filter housing cover (B).

Figure 45: Air Filter Tray

Figure 44: LH Rear Shock Assembly Attached to Shock Support

(LH Lower Post of Cab Removed for Clarity)



26. Remove filter tray and place it out of the way.

27. Using a flat screwdriver, pry off the plastic cover on the bottom of the housing, and remove nut (A).

28. Remove right-hand shock mount and shock.

29. Disconnect shock from the old shock support. Discard the support and hardware but retain the shock.

Figure 46: Air Filter Housing, Filter Removed

Figure 47: Air Filter Housing

Figure 48: Shock Mount Viewed through Hole in Bottom of Air Filter Housing



30. Attach insulator (MD #166530) (A) and spacer (MD #166539) (B) to new right shock mount (MD #166696) (C) as shown at right. All parts are provided in kit. HINT: Use soap to ease installation.

31. Install new shock mount assembly onto cab. You will need to remove approximately 2-9/16 in. (65 mm) of foam insulation (B) from the rear cab wall to fit the new parts in place. Torque hardware (A) to 54–59 ft·lbs (73–80 N·m).

Figure 50: Inside Rear Panel of Cab

Figure 49: New RH Rear Shock Mount



32. Torque hardware (A) to 54–59 ft·lbs (73–80 N·m).

33. Reinstall plastic cover in bottom of air filter housing.

34. Reinstall air filter, and latch.

35. Repeat Steps 16–22 for the right-hand side.


Figure 52: Air Filter Housing

Figure 53: Air Filter Tray



Installing Hydraulic Insulators –Multifunction Control Block 1. Move left-hand platform rearward and lock in

position.

2. On the outside of the windrower frame, remove one of the two bolts (A) attaching the multifunction control block (B) (the block closest to the front of the windrower) to the valve block plate (C). Discard bolt.

3. Thread full length onto a 4-inch long hex head bolt (MD #30755) (H) the following parts in order:

a. One of the hex jam nuts (MD #18664) (G) provided in kit

b. One hex nut (MD #18590) (F) provided in kit

c. One flat washer (MD #31465) (E) provided in kit

d. One rubber washer (MD #166700) (D) provided in kit

4. Apply red thread locker to bolt (H), and then use bolt (H) to reattach the multifunction control block (A) to frame (C). Bottom bolts out in manifold.

5. Torque bolt (H) to 140–150 in·lbf (16–17 N·m).

Figure 54: Multifunction Control Block

Figure 55: Multifunction Control Block(Hoses and Other Parts Removed for Clarity)



6. Loosen the second bolt attaching the multifunction control block (A) to the valve block plate.

7. Using a wrench, pry up one end of the multifunction control block (A), and insert one rubber front manifold pad (MD #166679) under the end of the manifold, on top of the lift valve supports (B). The slot in the pad should line up with the bolt holes in the bottom of the manifold and the slots in the lift valve supports and the valve block plate.

8. Repeat Steps 2–7 with second bolt and rubber front manifold pad.

9. Tighten hex nuts (F) until the rubber washers (D) make full contact with the valve block plate, and then turn one full turn more. Torque jam nuts (G) to 32–36 ft·lbf (44–48 N·m).

10. Leave platform in rearward position for next procedure.

Figure 56: Multifunction Control Block

Figure 57: Multifunction Control Block(Hoses and Other Parts Removed for Clarity)



Installing Hydraulic Insulators – Drive Manifold 1. Remove bolt (A) and loosen bolt (B) so that the

drive manifold (C) can be pried up using a wrench. Manifold must be spaced away from frame for next step. Discard bolt (A).

2. Remove material from slot (A) in the windrower frame as shown below. Increase size (A) to 9/16 in. (14 mm). NOTE: To minimize rework time, mark location of manifold hole and enlarge only the outside end of the slot as shown in photos.

3. On one 1-inch hex socket head shoulder bolt

(MD #136796) (E), place one flat washer (MD #166747) (D) and one rubber washer (MD #166700) (C). All parts provided in kit.

4. Install bolt (E) with washer and rubber shim, finger tight, in reworked slot (A in Figure58 above) as shown at right. Position the bolt at the outer edge of the slot in the frame.

Figure 58: Drive Manifold

Figure 59: Enlarged Hole

Figure 60: Drive Manifold with Rubber Padand New Hardware



5. Remove remaining old bolt (B) and discard.

6. Slide rubber pad (MD #166699) (B) provided in kit

around the bolt attaching the manifold (A) to the windrower frame and place it between the frame and the manifold. The slot and hole in the rubber pad (B) should line up with the slots in the frame, and the slot opening should face the windrower.

7. Repeat Steps 2–3 for slot (B).

8. Apply thread locker to uninstalled bolt and install. Remove bolt placed in Step 4, apply red thread locker, and reinstall.

9. Torque bolts (E in Figure 62 above) to 285–315 in·lbf (32–36 N·m).

Figure 63: View from Below Valve Block Plate

on Frame

Figure 61: Drive Manifold with Old Hardware

Figure 62: Drive Manifold with Rubber Padand New Hardware



Installing Hydraulic Insulators – Return Manifold Assembly The supercharge valve (A), the return line manifold (B), and the filter assembly (C) are bolted to the inside left side of the windrower frame.

1. Remove and discard bolts (A).

2. Enlarge holes (A) where bolts were removed in previous step to 9/16 in. (14 mm) as shown.

3. Remove and discard remaining two bolts (B in Figure 65 above).

Figure 64: Return Manifold Assembly

Figure 65: Outside Left Side of Windrower Frame(Manifolds, Hoses, etc. Removed for Clarity)

Figure 66: Outside Left Side of Windrower Frame



4. Loosen bolts (A) attaching header return filter head to windrower frame.

5. Pry supercharge manifold (A) away from frame as shown.

Figure 67: Outside LH Windrower Frame(Manifolds, Hoses, etc. Removed for Clarity)

Figure 68: Inside LH Windrower Frame



Figure 69: Top View of Manifold and Filter Assembly in Windrower Frame (Cab, Hoses, etc. Removed for Clarity)

6. Replace steel shim between rear filter (A) and frame with rubber shim (MD #166745) (B) provided in kit as shown in Figure 69 above. Ensure steel on rubber shim is facing filter (A) and holes are lined up with bolt holes in frame and in filter.

7. On each of two 1 in. long hex socket head shoulder bolts (MD #136796) (A) place one flat washer (MD #166747) (B) and one rubber washer (MD #166700) (C), provided in kit.





8. Apply red thread locker to bolts (C), and then insert bolts (C) with washers through the frame and the new rubber shim (B), into the rear filter (A) as shown in Figure 71 above.

9. Tighten hardware. Torque bolts (A) to 285–315 in·lbf (32–36 N·m).

Figure 72: Outside LH Windrower Frame



10. Remove bolts at (A), where the header return filter is attached to the frame, and then enlarge the holes to 7/16 in (11 mm) if required. NOTE: To minimize rework, mark position of old bolts, remove one bolt at a time so steel spacer does not fall out during hole rework, and enlarge only where necessary.

11. Pry header return filter away from frame.


Figure 74: Inside LH Windrower Frame



12. Replace steel shim between front filter (A) and frame with filter insulator (MD #166746) (B) as shown in Figure 75 below. Ensure that steel side of filter insulator (B) is facing the frame.


13. On each of two 3/4 in. long hex socket head

shoulder bolts (MD #136787) (A) place one flat washer (MD #31465) (B) and one rubber washer (MD #166700) (C), provided in kit.




14. Apply red thread locker to bolts (C), and then insert bolts (C) with washers through the frame, through the new insulator (B), and into the front filter (A) as shown in Figure 77 below.

Figure 77: Top View of Manifold and Filter Assembly in Windrower Frame (Cab, Hoses, etc. Removed for clarity)

15. Tighten hardware. Torque bolts (A) to 162–178

in·lbf (18–20 N·m).

16. Return left-hand platform to normal position.

Figure 78: Outside LH Windrower Frame



Installing Cable Ties 1. On the inside left side of the windrower frame, above the manifold and filter assembly, bundle the

hydraulic hoses and lines together with nine cable ties (MD #40701) as follows:

Figure 79: Inside Left Windrower Frame (Some Components Removed for Clarity)

• Bundle one hydraulic line together with the hose with the yellow cable tie at (A) – one places.

• Bundle two hydraulic lines together with the hose with the yellow cable tie at (B) – five places.

• Bundle two hydraulic lines together with two hoses at (C) – three places.

Figure 80: Inside Left Windrower Frame,The Three Cable Ties towards the Rear



Part List Part

Number Description Quantity

166605 SUPPORT WELD'T 2 166695 SUPPORT WELD'T – LH REAR 1 166696 SUPPORT WELD'T – RH REAR 1 166579 CHANNEL WELD'T 4 166530 INSULATOR 4 166539 SPACER 4 183209 MEMBER – STABILIZING 3 166639 SUPPORT – LINK, FRONT 2 166640 SUPPORT – LINK 2 166641 SUPPORT – LINK, REAR 2 166642 SUPPORT – LINK, CENTER 1 166644 SUPPORT – SIDE LINK, WELDMENT 1 166679 PAD – RUBBER FRONT MANIFOLDS 2 166745 INSULATOR – FILTER 1 166746 INSULATOR – FILTER 1 166699 PAD – RUBBER REAR MANIFOLDS 1

40701 FASTENER – CABLE TIE-YELLOW 9

166532 WASHER – FLAT 4 50225 NUT – FLANGE DT SMOOTH FACE .625-11UNC 4

166700 WASHER – RUBBER 8 31465 WASHER – FLAT 4 30755 BOLT – HH 3/8 NC X 4.0 LG GR 5 ZP 2 18590 NUT – HEX 3/8-16 UNC GR 5 ZP 2 18664 NUT – HEX JAM 3/8-16 UNC GR 5 ZP 2

136796 BOLT – HEX SOC HD SHLDER ½-3/8X15/16-ALLOY ST-A3L 4 136787 BOLT – HEX SOC HD SHLDER 1/2-3/8x1-GR 5 A3L 2 166747 WASHER – FLAT 4 152274 BOLT-HEX HD M12X1.75X60-8.8-A3L 6 136036 NUT-HEX SMTH FLNG M12X1.75-8-A3L 6

21281 BOLT-RHSN 5/16-18X.75-GR5-ZP 2 21403 NUT - FLG (SERR FACE) 5/16 NC GR 5 ZP 2 21560 BOLT-HEX HD SAE J429 4 21880 BOLT - HH 1/2 NC X 2.75 LG GR 5 ZP 4 50186 NUT – FLANGE LOCK SM FACE DT 0.500-13UNC GR5 28 21471 BOLT – RHSN 1/2-13X1.25 GR5 ZP 6 21469 BOLT – RHSN 1/2-13X1.5-GR5-ZP 4


MacDon Industries Ltd. 680 Moray Street Winnipeg, Manitoba Canada R3J 3S3 t. (204) 885-5590 f. (204) 832-7749 MacDon Inc. 10708 N. Pomona Avenue Kansas City, Missouri United States, 64153-1924 t. (816) 891-7313 f. (816) 891-7323 MacDon Australia Pty. Ltd. A.C.N. 079 393 721 P.O. Box 243 Suite 3, 143 Main Street Greensborough, Victoria Australia 3088 t. 03 9432 9982 f. 03 9432 9972 LLC MacDon Russia Ltd. 123317 Moscow, Russia 10 Presnenskaya nab. Block C, Floor 5, Office No. 534 Regus Business Centre t. +7 495 775 6971 direct line f. +7 495 967 7600 CUSTOMERS www.macdon.com DEALERS www.macdondealers.com Trademarks of products are the marks of their respective manufacturers and/or distributors. Printed in Canada

Documents

Self-Propelled Windrowers M155 Cab Isolation Kit (MD ... · The Cab Isolation kit (MD #166759) can be used to reduce noise in the cab on MacDon M155 Self-Propelled Windrowers, model