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POWER TAKE - OFF (PTO)
SECTION 9
B-SERIES
PTO Clutch/Brake Adjustment
The PTO clutch and brake may require periodic adjust-
ment due to normal wear of friction surfaces.
1. Engage PTO clutch.
2. Loosen the locknut on the PTO brake adjustment screw.
3. Turn the adjustment screw so there is a .010" (.25 mm)
gap between the brake pad and the clutch pulley face.
4. Tighten the locknut securely.
5. Check that the gap between the washer on the PTO rod
and the clutch/brake bracket is 1/4 inch (6.4 mml.
6. If clutch adjustment is necessary, change the length of
the PTO rod using the turnbuckle on the rod. Loosen
the locknut behind turnbuckle and remove the hairpin
cotter and clevis pin from the opposite end of the turn-
buckle.
It may be necessary to readjust the PTO brake after
this adjustment is made.
Fig. 9-1 B-Series PTO Adjustments
Remove PTO Clutch
1. Separate PTO linkage under frame by removing clevis pin
and hairpin cotter at PTO clutch turnbuckle.
2. Remove PTO brake adjustment screw and bracket.
3. Remove PTO clutch cone assembly.
4. Remove crankshaft bolt and bearing race.
9-1
Fig. 9-2 B-Series PTO Clutch Removal
5. Relieve drive belt tension by depressing clutch pedal and
remove PTO clutch housing from drive shaft.
Reverse above procedure for installation of PTO clutch.
C-SERIES
PTO Clutch Adjustment
Adjustment is required only when the PTO clutch slips
noticeably. If clutch slippage is apparent, turn the trunnion
toward the rear of the rod in one-turn intervals until clutch
slippage is eliminated.
Fig. 9-3 C-Series PTO Adjustments
PTO Brake Adjustment
1. Engage the PTO clutch.
2. Loosen the two bolts that hold the brake pad bracket to
the support bracket.
3. Place a .012 inch (.3 mml feeler gauge between the brake
pad and the clutch pUlley.
4. While holding the brake pad against the feeler gauge and
pulley, tighten the two brake bracket bolts.
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