OMAR259982: 8130, 8230, 8330, 8430 and 8530 Tractors , Block File: OURX935_0000243_19

Removing and Installing VARI-COOL™Fan Belt- Version B

1. Raise hood.

2. Remove four cap screws (B) and right-hand front side panel (A).

3. Remove three cap screws (C) and lift diverter panel (D) out.

IMPORTANT: Removing bleed screw will drain oil. Loosen bleed screw only enough to bleed oil back into reservoir (a maximum of two full turns).

4. Loosen jam nut (E), then loosen bleed screw (F).

A-Side Panel
B-Cap Screws
C-Cap Screws
D-Diverter Panel
E-Jam Nut
F-Bleed Screw

Remove Front Side Panel

RXA0096735

Bleeding Drive Assembly

VARI-COOL is a trademark of Deere & Company

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5. Remove vent adapter (A) from vent hole, then remove service cap screw (C) from storage hole.

6. Install service cap screw through vent hole and thread into inner sheave housing.

7. Tighten to carefully pull inner sheave (B) rearward until it stops.

NOTE: Bleed screw must be closed for proper tension to be applied to belt once tractor is started.

8. Close bleed screw, tighten to specification and tighten jam nut.

Specification

Bleed Screw -Torque

25 N·m

221 lb-in.

A-Vent Adapter
B-Inner Sheave
C-Service Cap Screw

Remove Vent Adapter From Vent Hole And Service Cap Screw From Storage Hole

RXA0096736

Pull Inner Sheave Rearward

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9. Remove cap screws (C).

IMPORTANT: When prying outer sheave (B) forward, make sure that belt contact surface of pulley is not damaged.

10. Pry outer sheave evenly off shaft.

11. Remove six nuts (D) and carefully position fan (E) forward against radiator.

12. Remove belt (A) through opening between fan and fan hub.

13. Discard old belt.

A-Belt
B-Outer Sheave
C-Cap Screws
D-Nuts
E-Fan

Remove Outer Sheave

RXA0097803

Remove Fan

RXA0097804

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14. Install new fan belt between fan and fan hub so that it is positioned between lower pulley halves.

15. Slide fan into place, install nuts and torque to specification.

Fan-to-Drive Assembly - Specification

Nut -Torque

35 N·m

(26 lb-ft)

16. Pull or gently pry belt (B) onto drive shaft (A) and against rear pulley.

IMPORTANT: When installing front pulley (C), make sure that belt remains loose and is not pinched between pulleys.

Clean mating surfaces of front pulley and shaft.

17. Install front pulley.

18. Tighten cap screws (D) to specification.

Drive Pulley-to-Drive - Specification

Cap Screw -Torque

130 N·m

(96 lb-ft)

19. Check bleed screw to make sure it is closed and belt is loose between pulleys.

A-Belt
B-Drive Shaft
C-Front Pulley
D-Cap Screw

Install Belt

RXA0095841

Install Front pulley

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IMPORTANT: If service cap screw is left in vent hole, fan cannot adjust causing tractor to overheat.

20. Remove vent adapter (A) from storage hole and service cap screw (B) from vent hole.

21. Install vent adapter in vent hole and service cap screw in storage hole. Torque to specification.

Fan Drive Hardware - Specification

Vent Adapter -Torque	24 N·m	(18 lb-ft)
Service Cap Screw -Torque	13 N·m	(9 lb-ft)

22. Install diverter panel and right-hand side front shield and torque to specification.

Diverter Panel Cap Screws - Specification

Cap Screw -Torque

20 N·m

(15 lb-ft)

NOTE: Starting engine with belt loose between pulleys allows belt to climb out of groove between pulleys. Belt will correctly position itself within a few seconds after engine is started.

23. Start engine and run at idle for 15 seconds. Turn off engine.

24. Remove right-hand side front shield and make sure that belt is correctly positioned between pulleys.

causym CAUTION: Keep hands away from exposed fan blades. Blades have sharp edges which may result in personal injury.

25. Install right-hand front side panel.

Return Vent Adapter To Vent Hole And Service Cap Screw To Storage Hole

A-Vent Adapter
B-Service Cap Screw

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