Header Reel/Belt Pickup Pump Belt (Variable Speed Feeder House)—Replacing
CAUTION:
H90912-UN-28FEB08
A - Rubber Boot
B - Bracket
Lower variable sheave is under spring tension; if belt is removed, it will snap back to a closed position.Start engine, engage separator and move switch to fast idle. Adjust feeder house drive belt to slow front shaft speed.
CAUTION: Shut OFF engine, set parking brake and remove key.
Disengage separator, stop engine, and remove key.
Lower safety stop and remove left-hand feeder house shields.
Look under rubber boot (A) to verify if upper sheaves are fully open. At low speed position, outer sheave half bulb is against bracket (B).
H90914-UN-28FEB08
A - Idler Nut
B - Sheave
Loosen idler nut (A) and slide sheave (B) down to release tension on drive belt.
H90918-UN-05MAR08
A - Shields
B - Nuts (2 Used)
C - Sensor Bracket
D - Nuts (3 Used)
Remove shields (A), nuts (B) and sensor bracket (C).Loosen nuts (D) to allow upper sheave assembly to move.
NOTE:
H90913-UN-28FEB08
A - Nut
B - Bracket
C - Nut
D - Tensioner
Nut (C) must be moved and jammed against nut (A). Together these nuts can be used to turn tensioner bolt.Loosen nut (A) away from bracket (B) until a 3 mm (1/8 in.) gap exists between either side of bracket.
Tighten nut (C) against nut (A).
NOTE: Threading bolt into tensioner allows sheave to move forward to remove drive belt.
Use nut (A) to screw threaded bolt into tensioner (D).
H90977-UN-06MAR08
A - Nuts
B - Brace
C - Drive Belt
Loosen nuts (A) to relieve tension from drive belt.Remove cap screw and nut to move reel pump brace (B) out of way so drive belt (C) can be removed.
NOTE:
H84326-UN-26AUG05
A - Hydraulic Hose
Cap hydraulic hose to prevent system contamination and fluid loss.Disconnect hydraulic hose (A) from multi-coupler.
H90919-UN-28FEB08
A - Cap Screw
B - Cap Screw and Nut
C - Round Head Bolt (3 used)
D - Drive Belt
Remove cap screw (A), cap screw and nut (B) and round head bolts (C).Remove drive belt (D) from rear sheave.
H87527-UN-27FEB07
A - Connector
B - Bracket
C - Drive Belt
Disconnect connector (A) and remove strap from bracket (B).Remove and discard drive belt (C).
Install replacement drive belt, connect strap to bracket, and connect electrical connector.
H90978-UN-06MAR08
A - Drive Belt
B - Sheave
C - Brace
Install drive belt (A) around reel pump and rear sheaves (B).Install previously removed reel pump brace (C) with cap screw and nut.
H90920-UN-31MAR10
A - Drive Belt
B - Cap Screw
C - Cap Screw and Nut
D - Round Head Bolt (3 used)
E - Nuts (3 Used)
Install drive belt (A) around rear sheave.Install cap screw (B) and tighten to specification.
| Item | Measurement | Specification |
| Cap Screw | Torque | 185 N·m (136 lb-ft) |
Tighten cap screw and nut (C).
Leave round head bolts (D) loose at this time.
Tighten nuts (E) to prevent upper sheave assembly from moving.
H84326-UN-26AUG05
A - Hydraulic Hose
Connect hydraulic hose (A) to multi-coupler.NOTE:
H84440-UN-13SEP05
Top View
H90921-UN-28FEB08
A - Nuts (2 used)
B - Outer Strap
C - Sheave (2 used)
D - Sidesheet
E - Cap Screw
F - Round Head Bolts (3 used)
Check alignment of upper countershaft sheaves (C). Make sure that sheaves are running parallel to feeder house sidesheet. Parallel alignment of countershaft sheaves must be adjusted by loosening round head bolts (F) and using nuts (A) on bolt (E).Using nuts (A), turn bolt (E) to move outer strap (B) forward or rearward to align sheaves (C) parallel to feeder house sidesheet (D).
Tighten round head bolts (F) to specification.
| Item | Measurement | Specification |
| Countershaft Strap Round Head Bolts | Torque | 54 N·m (40 lb-ft) |
H90922-UN-28FEB08
A - Nuts (3 Used)
Loosen previously tightened nuts (A) and refer to Feeder House Variable Speed Belt—Adjusting to set sheave gap.|
OUO6075,0000668-19-20100803 |