Header Reel/Belt Pickup Pump Belt (Variable Speed Feeder House)-Replacing

CAUTION: 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).

A-Rubber Boot
B-Bracket

OUO6075,000000D -19-25JUN08-1/13

Loosen idler nut (A) and slide sheave (B) down to release tension on drive belt.

A-Idler Nut
B-Sheave

OUO6075,000000D -19-25JUN08-2/13

Remove shields (A), nuts (B) and sensor bracket (C).

Loosen nuts (D) to allow upper sheave assembly to move.

A-Shields
B-Nuts (2 Used)
C-Sensor Bracket
D-Nuts (3 Used)

OUO6075,000000D -19-25JUN08-3/13

NOTE: 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).

A-Nut
B-Bracket
C-Nut
D-Tensioner

OUO6075,000000D -19-25JUN08-4/13

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.

A-Nuts
B-Brace
C-Drive Belt

OUO6075,000000D -19-25JUN08-5/13

NOTE: Cap hydraulic hose to prevent system contamination and fluid loss.

Disconnect hydraulic hose (A) from multi-coupler.

A-Hydraulic Hose

OUO6075,000000D -19-25JUN08-6/13

Remove cap screw (A), cap screw and nut (B) and round head bolts (C).

Remove drive belt (D) from rear sheave.

A-Cap Screw
B-Cap Screw and Nut
C-Round Head Bolt (3 used)
D-Drive Belt

OUO6075,000000D -19-25JUN08-7/13

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.

A-Connector
B-Bracket
C-Drive Belt

OUO6075,000000D -19-25JUN08-8/13

Install drive belt (A) around reel pump and rear sheaves (B).

Install previously removed reel pump brace (C) with cap screw and nut.

A-Drive Belt
B-Sheave
C-Brace

OUO6075,000000D -19-25JUN08-9/13

Install drive belt (A) around rear sheave.

Install cap screw (B) and tighten to specification.

Specification

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.

A-Drive Belt
B-Cap Screw
C-Cap Screw and Nut
D-Round Head Bolt (3 used)
E-Nuts (3 Used)

OUO6075,000000D -19-25JUN08-10/13

Connect hydraulic hose (A) to multi-coupler.

A-Hydraulic Hose

OUO6075,000000D -19-25JUN08-11/13

NOTE: Check alignment of upper countershaft sheaves (C). Make sure that sheaves are running parallel to feeder house side sheet. 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 side sheet (D).

Tighten round head bolts (F) to specification.

Specification

OUO6075,000000D -19-25JUN08-12/13

Loosen previously tightened nuts (A) and refer to Feeder House Variable Speed Belt-Adjusting to set sheave gap.

A-Nuts (3 Used)

OUO6075,000000D -19-25JUN08-13/13