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FO-S-CM224+
FFoorrddService Manual
224 & 274Commercial Mowers
THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF FORD OR IT’S SUCCESSORS. FORD AND IT’S SUCCESSORS
ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL.
TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS.
Serv
ice
Man
ual
FORD
Service Manual
CM224 and CM274 Commercial Mowers
400224200 590 Ford New Holland, Inc. New Holland, PA 17557
FORD I\SW HOLLAr\C
Printed in U.S.A.
PART 1 ENGINE SYSTEMS
MODELS CM224 & 274
Chapter 1 ENGINE AND LUBRICATION SYSTEM
Section Page A. DESCRIPTION AND OPERATION.................................. 1 B. ENGINE OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Chapter 2 COOLING SYSTEM
Section Page A. DESCRIPTION AND OPERATION.................................. 35 B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Chapter 3 TROUBLE SHOOTING, SPECIFICATIONS
AND SPECIAL TOOLS
Section Page A. TROUBLE SHOOTING ............................................ 41
B. SPECIFICATIONS. . . . . .. .. . . . . . . . . . . . . . . . . . . . .. . . . .. . . ... . . . . . . . . 45
C. SPECIAL TOOLS .............. ;~ ........... , ... ' .... ",' ......... ,. .. 54 D. COMPRESSION TEST .................... 7":. . . . . . . .. . . . . .. . .. . . . . 55
t.
PRINTED IN U.S.A.
------------PART 1 - ENGINE SYSTEMS-------------
7. Loosen the clamp (1) at the muffler and allow it to slide downward, Figure 6.
8. Remove the exhaust manifold and muffler assembly (2) from the cylinder head, Figure 6.
1. Clamp
Figure 6 Muffler Removal
2. Exhaust Manifold and Muffler
9. Disconnect the temperature and oil sender wires, Figure 5.
10. Remove the upper radiator hose (4), Figure 4.
11. Remove the banjo bolt from theoil pressure tube (1) at the front of the cylinder head, Figure 7.
12. Remove the glow plugs.
13. Remove the water pump (1) and and thermostat (Model CM224), Figure 8. On the Model CM274 remove the thermostat housing, thermostat and water pump.
14. Remove the rocker cover and intake manifold assembly (1) from the cylinder head on the Model CM224, Figure 9. On the Model CM274 the rocker cover (1) and intake manifold (3) with spacer (2) must be removed, Figure 10.
15. Remove the rocker arm assembly and push rods, Figure 11.
4
NOTE: The rocker arms on the Model CM274 are contained in a housing, Figure 12.
Figure 7 Cylinder Head Removal
1. Oil Pressure Tube
Figure 8 Water Pump Removal (CM224 Shown)
1. Water Pump
--------------------------------CHAPTER1---------------------------------
Figure 39 Idler Gear and Oil Pump Components
1. HE" Ring 6. Rotor 2. Collar 7. Spring 3. Spring 8. Idler Gear 4. Shim 9. Thrust Washer 5. Cover
Figure 40 Port Block and Shaft Removal
1. Shaft 2. Port Block
2. Inspect the pump shaft, inner rotor and vane for excess wear or scratches.
3. Measure the rotor-to-vane clearance as shown, Figure 42, and replace defective components as required. See "Specifications," Chapter 3.
NOTE: The oil pump outer rotor (vane) is not serviced separately. If defective, replace the idler gear and vane as an assembly.
PRINTED IN U.S.A.
Figure 41 Oil Pump Re!ief Valve (CM224 Shown)
1. Relief Valve 2. Engine Identification Number
5·21364
Figure 42 Rotor Clearance Check
1. Rotor 3. Clearance 2. Vane
15
PART 2 FUEL SYSTEM
Chapter 1 INJECTION PUMP
Section Page A. DESCRIPTION AND OPERATION.................................. 1
B. REMOVAL AND INSTALLATION. . . . . . . .. . . . . . . . . ... . . . ... . .. . . . . . . 3 C. TIMING......................................................... 5
D. FUEL PUMP AND GOVERNOR OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 2 INJECTORS
Section Page A. DESCRIPTION AND OPERATION. . . . .. . .. . . . . . . . . . . . . . . . .. . . . . . .. . 13 B. REMOVAL AND INSTALLATION. . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .. . 14
C. OVERHAUL ............ " . .. . . . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . .. . 14
Chapter 3 TROUBLE SHOOTING AND SPECIFICATIONS
AND SPECIAL TOOLS
Section Page A. TROUBLE SHOOTING ............................................ 17
B. SPECIFICATIONS.. .. . . .. . ... . . . .... . ... . . . . .. . ... . . . . .. . .. . . . . . . 20 C. SPECIAL TOOLS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
D. FUEL INJECTION PUMP SPECIFICATIONS. . . . .. . ... . . ... . . .. . . .. .. 21
PRINTED IN U.S.A.
PART 3 ELECTRICAL SYSTEMS
Chapter 1 WIRING, SWITCHES, GLOW PLUGS
AND INSTRUMENTATION
Section Page A. DESCRIPTION AND OPERATION. . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . 1
B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Chapter 2 BATTERY
Section Page A. DESCRIPTION AND OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . 13
B. MAINTENANCE AND TESTS...................................... 14
Chapter 3 STARTING SYSTEM
Section Page A. DESCRIPTION AND OPERATON - CM224 . . . . . . . . . . . . . . . . . . . . . . . . . 21
B. DESCRIPTION AND OPERATION - CM274......................... 22
C. OVERHAUL - CM224 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
D. OVERHAUL - CM274 ............................................ 27
E. NEUTRAL SWITCHES - DESCRIPTION AND OPERATION. . . . . . . . . . . 38
F. NEUTRAL SWITCHES - OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
G. KEY START SWITCH - DESCRIPTION AND OPERATION. . . . . . . . . . . 40
H. KEY START SWITCH - TEST .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
PRINTED IN U.S.A.
ii
Chapter 4 CHARGING SYSTEM
Section Page A. DESCRIPTION AND OPERATION - CM224........................ . 43
B. TEST PROCEDURES - CM224 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
C. OVERHAUL - CM224 ............................................ 46
D. DESCRIPTION AND OPERATION - CM274......................... 46 E. TEST PROCEDURES - CM274 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
F. OVERHAUL - CM274 ............................................ 49
Chapter 5 SPECIFICATIONS
Section Page A. SPECIFICATIONS. . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . 57
PART 4 HYDROSTATIC DRIVE SYSTEM
Chapter 1 HYDROSTATIC DRIVE
Section Page A. DESCRIPTION AND OPERATION.................................. 1
B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Chapter 2 HYDROSTATIC DRIVE CONTROL LINKAGE
Section Page A. ADJUSTMENTS................................................. 21
B. PRESSURE CHECKS ............................................. 22
Chapter 3 TROUBLE SHOOTING AND SPECIFICATIONS
Section Page A. TROUBLE SHOOTING ............................................ 25
B. SPECiFiCATIONS................................................ 26
PRINTED IN U.S.A.
PART 5 TRANSAXLE AND BRAKE
Chapter 1 TRANSAXLEAND BRAKE
Section Page A. DESCRIPTION AND OPERATION.................................. 1 B. OVERHAUL...................................................... 2
Chapter 2 SPECIFICATIONS
Section Page A. SPECIFICATIONS. . . . . . . . . . .. . . . ... . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . 21
PRINTED IN U.S.A.
------------PART 5 - TRANSAXLE AND BRAKE------------
1. Jack Stands
Figure 8 Front Axle
Figure 9 PTO Cable Removal
1. Cable 3. Access Cover 2. Pin
13. Remove the cotter pins from the range selector and four wheel drive lever arms (1) and disconnect the shift plates, Figure 10.
14. Disconnect the differential lock spring (2) and remove the belt guard bolt (3), Figure 10.
15. Remove the brake springs (4) and disconnect the brake rods (5), Figure 10.
4
Figure 10 Transaxle Removal
1. Shift Lever Arms 3. Belt Guard Bolt 2. Differential Lock 4. Spring
Spring 5. Brake Rod
16. Remove the upper screen (1) and disconnect the drive coupler (2) from the flywheel, Figure 10.
17. Remove the nut and disconnect the HST control rod (3), Figure 11.
Figure 11 Transaxle Removal
1. Upper Screen 3. Control Rod 2. Coupler
18. Support the front of the frame with a chain and overhead hoist and remove the support bolts (1) on each side, Figure 12.
PART 6 STEERING AND REAR AXLE
Chapter 1 POWER STEERING SYSTEM
Section Page A. DESCRIPTION AND OPERATION .................................. 1
B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 C. PRESSURE TEST ................................................ 22
Chapter 2 REAR WHEEL DRIVE AXLE
Section Page A. DESCRIPTION AND OPERATION .......... ,. . . ... . . ... . . .. . .... . .. 25
B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Chapter 3 TROUBLE SHOOTING AND SPECIFICATIONS
Section Page A. TROUBLE SHOOTING ........................... . . . . . . . . . . . . . . . . . 33 B. SPECIFICATIONS .................................... , .... . .. .... 34
PRINTED IN U.S.A.
PART 7 IMPLEMENT DRIVE
Chapter 1 IMPLEMENT DRIVE
Section Page A. DESCRIPTION AND OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
C. ADJUSTMENTS AND SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . .. . . . . 4
PRINTED IN U.S.A.
PART 8 HYDRAULIC LIFT SYSTEM
Chapter 1 HYDRAULIC LIFT SYSTEM
Section Page A. DESCRIPTION AND OPERATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
B. OVERHAUL...................................................... 6
C. PRESSURE TEST ................................................ 12
D. SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
PRINTED IN U.S.A.
PART 9 WHEELS AND TIRES
Chapter 1 WHEELS AND TIRES
Section Page A. WHEELS AND TIRES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRINTED IN U.S.A.
PART 10 MOWER
Chapter 1 60 INCH MOWER
Section Page A. DESCRIPTION AND OPERATION.................................. 1
B. OVERHAUL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 C. SPECIFICATIONS. .. ... . .. . . ... . .. . . .. . . .. .. . . . . . . .. . . . .. . ... . . .. 9
PRINTED IN U.S.A.
REPAIR TIME SCHEDULE FOR
MODELS CM224 & CM274 COMMERCIAL MOWERS
TABLE OF CONTENTS
Page
DIRECTIONS FOR USING THE TIME SCHEDULE 2
PART 1 ENGINE SYSTEM 3
PART 2 FUEL SYSTEM 13
PART 3 ELECTRICAL SYSTEM 19
PART 4 DRIVELINE 27
PART 5 DRIVELINE CONTROLS 33
PART 6 BRAKE 37
PART 7 STEERING SYSTEM 41
PART 8 REAR WH EEL DRIVE AXLE 45
PART 9 POWER TAKE-OFF 51
PART 10 HYDRAULIC SYSTEM 55
PART 11 GENERAL 59
PART 12 MOWER - 60" 63
ENGINE SYSTEM
FUEL SYSTEM
ELECTRICAL SYSTEM
DRIVELINE
DRIVELINE CONTROLS
BRAKE
STEERING SYSTEM
REAR WHEEL DRIVE AXLE
POWER TAKE-OFF
HYDRAULIC SYSTEM
GENERAL
MOWER - 60"
1