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FO-4 I&T (Remastered Ver.1.2 ) 05-24-2015

model 8N tractors and is serviced in the same manner as outlined in paragraph 121.

129. SCOTCH YOKES & CYLINDERS. The Scotch yokes (17-Fig. FO95) which form the

pistons, and the large bores in the chamber covers (C) which form the cylinders,

should be inspected for wear, scratching, etc. Correct any non-standard condition

by renewing the parts. When assembling yokes (pistons) to pump, position them so

that the piston portions are closest to each other. Pistons and cylinders are the

same as used in 8N tractors.

Connect/Report Errors – jcchapster@gmail.com

Fig. FO96 - Improper seating of the check

valve portion of relief valve unit may be

corrected using a reseating tool as

shown.

Fig. FO97 - Hydraulic pump inlet and

outlet valve seats in pump valve

chamber can be reseated as shown.

I&T Shop Service1
PREFACE3
INDEX7
CONDENSED SERVICE DATA11
14
FRONT AXLE15
STEERING SYSTEM17
- ADJUSTMENT & OVERHAUL17
- TOE-IN ADJUSTMENT24
  - 15. Toe-in is adjusted by varying the length of the drag links. Models 2N – 9N drag link is adjusted by disconnecting link front end, loosening lock clamp and screwing link end in or out as required. Model 8N drag links are provided with turn-buckle type adjustment and do not require disconnection. The wheels may be aligned approximately by adjusting drag links until spindle arms are centered over the radius rod to axle member bolts or the reference marks. Correct toe-in is 0 to 1/4 inch.24
ENGINE AND COMPONENTS27
GOVERNOR43
ELECTRICAL AND IGNITION SYSTEM49
CLUTCH57
- ADJUSTMENT57
  - 63. Free travel of models 2N-9N clutch pedal should be 3/16 inch and for model 8N 3/4 inch. To adjust pedal clearance on models 2N-9N, remove clutch rod clevis pin as shown in Fig. FO48 and screw clevis pin in or out as required and reconnect. Early model 8N tractors have an adjustment screw which is part of clutch pedal as shown in Fig. FO49. Later 8N tractors have a rod linkage system with a clevis adjustment.57
- REMOVE AND REINSTALL57
TRANSMISSION61
- REMOVAL61
  - 70. Drain transmission and remove power take-off shaft. Split front section of tractor as outlined in paragraphs 64 or 65.61
- OVERHAUL61
DIFFERENTIAL, BEVEL GEARS & REAR AXLE73
BRAKE SYSTEM79
- ADJUSTMENT79
  - 91. To adjust brake shoes, jack up rear wheels and turn adjusting stem shown in Fig. FO72 clockwise, until wheel no longer can be turned by hand and then back off adjusting stem until rear wheel again turns freely. Adjust both brakes equally.79
  - 92. Jack up rear wheels, remove adjusting screw cover and turn notched adjuster screw counter-clockwise, until wheel no longer can be turned by hand. See Fig. FO73. Then back off adjuster until only a slight drag is felt. Adjust left brake clevis to equalize brake pedals.79
- R&R SHOES79
  - 93. Jack up rear end of tractor and remove rear wheels. Remove bearing retainer stud nuts and pull brake assembly and axle shaft out of axle housing. Lift brake backing plate off bearing retainer studs and remove brake shoe retracting springs and shoes. Reinstall brakes and adjust as described in paragraph 91. Refer to Fig. FO69.79
  - 94. Jack up rear end of tractor and remove rear wheels. Remove four brake drum screws and pull drum off shaft (Fig. FO71). Remove brake shoe retracting springs and shoes. Reinstall brakes, noting that two brake shoe retracting springs are used on left brake and only one on right brake.79
POWER TAKE-OFF UNIT81
- EXTERNAL SHAFT81
  - 95. To remove and overhaul PTO shaft, first remove four cap screws holding shaft bearing retainer to center axle housing and pull shaft and retainer assembly out of housing. Disassemble by removing bearing lock rings or screw collars and renew worn or damaged parts. Shrunk on bearing retainer sleeve must be broken to permit bearing renewal. New sleeve must be heated to facilitate installation and insure a tight shrink fit. Refer to Figs. FO74 and FO76.81
82
SHIFTER UNIT83
- 96. To remove the shifter and shaft front bearing unit from the tractor, detach the center housing from the rear of the transmission housing as outlined in paragraph 70A or remove the hydraulic lift cover assembly from the center housing. Remove the cap screws retaining the unit to the rear wall of the transmission housing Fig. FO56. Procedure for overhaul is self-evident after examining the unit or the components as shown in Fig. FO75.83
BELT PULLEY UNIT85
- R&R & OVERHAUL85
  - 97. Removal of unit requires removal of four cap screws which hold unit to rear axle center housing. To reinstall, engage splines on PTO shaft and belt pulley unit and install four cap screws after locating unit in desired operating position.85
HYDRAULIC LIFT SYSTEM87

Brand	Ford
Model	2n series
Category	Lawn Mower
Language	English

Ford 2n series User Manual

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