Separator Variable Drive Belt—Replacing

H75082-UN-06FEB03

H77295-UN-21MAY03
A - Hose
B - Cap Screws (4 Used)
C - Adjusting Nuts
D - Plug
E - Adjusting Bolt
With separator engaged, set separator drive to slowest speed
allowing driven sheaves to close.
CAUTION: Shut OFF engine, set parking brake and remove key.
Shift dual range gearcase to neutral position.
Disconnect hose (A) at rotary hydraulic coupling using two wrenches
and pry driver sheaves completely open.
Loosen cap screws (B) holding separator drive gearcase and adjusting
nuts (C) on adjusting bolt (E).
NOTE: Clean and remove plug (D) to relieve vacuum in grease
cavity and ease opening of driver sheaves.
Use adjusting bolt (E) to move gearcase and sheave assembly
to the left.
Remove and replace belt. Rotate pulleys by hand to seat belt.
Reinstall and tighten plug (D) on driver sheave.
Adjust driven sheave gap to specification. Adjust bolt (E) to
move gearcase and sheave assembly to right while rotating pulleys.
| Item | Measurement | Specification |
|
Sheaves | Gap | 8
mm (5/16 in) |
Tighten cap screws (B) and inner adjusting nut (C) on adjusting
bolt (E). Install and tighten hydraulic hose.
Shift two speed gearcase to original speed range.
Start engine and engage separator. Cycle variable drive through
speed range several times. Disengage separator drive.
NOTE: Check sheave gap again after several hours and adjust
as required.
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OUO6075,0000753-19-20070809
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