Chopper Jackshaft Belt—Replacing (Style B)

H108283-UN-18JUN13

A - Cap Screw (4 used)

B - Hardware

C - Isolator Strap

Remove cap screws (A) and hardware (B) from isolator strap (C).

Remove pump assembly and support out of the way.

H108286-UN-18JUN13

A - Nuts

B - Chopper Jackshaft Belt

C - Tensioner Arm

D - Engine Debris Management Belt (If Equipped)

E - Belt Trap

F - Unloading Auger Drive Belts

Use breaker bar to relieve tension from the tensioner arm (C) to remove engine debris management belt (D).

Remove cap screws from the belt trap (E).

Remove and retain unloading auger drive belts (F).

With Hydraulic Pump

H98502-UN-20OCT10

A - Hardware

B - Strap

C - Nut

D - Cap Screw (2 used)

E - Shield

F - Chopper Jackshaft Belt

Remove nut (C) from the pump assembly bracket.

Verify that washers and isolator remain in place when removing. Install previously removed nut to retain washers and isolators in place when assembly is removed.

Remove cap screws (D) from pump assembly.

Remove shield (E) and pump assembly bracket.

Support the shield and the pump assembly bracket out of the way.

Remove jackshaft belt (F) from upper and lower sheaves.

Install replacement belt in reverse order.

Align pump assembly with sheave and tighten cap screws to specification.

Cap Screws	Torque	80 N·m (59 lb·ft)

Align shaft key on pump assembly with keyway in sheave. Verify that washers and isolators remain in place on the pump assembly bracket.

Install shield and pump assembly bracket and retain with nut.

Install strap on both sides of shield and retain with hardware.

H108287-UN-18JUN13

A - Unloading Auger Drive Belts

B - Belt Trap

C - Nut

D - Washer

E - Gauge

F - Lock Nut

G - Tensioner Arm

H - Engine Debris Management Belt (If Equipped)

Install belt trap (B) and retain with cap screws.

Tighten nut (C) until washer (D) is positioned between end of gauge (E) and bottom of step. Tighten lock nut (F).

Use breaker bar to relieve tension from the tensioner arm (G) to install engine debris management belt (H).

H108288-UN-18JUN13

A - Cap Screw (4 used)

B - Isolator Strap

C - Hardware

Cap Screws	Torque	80 N·m (59 lb·ft)

Install isolator strap (B) and retain with hardware (C).

Without Hydraulic Pump

H98500-UN-08OCT10

A - Hardware

B - Strap

C - Shield

D - Chopper Jackshaft Belt

Remove jackshaft belt (D) from upper and lower sheaves.

Install replacement belt in reverse order.

Align shield with the bracket holes.

Install strap on both sides of shield and retain with hardware.

H108287-UN-18JUN13

A - Unloading Auger Drive Belts

B - Belt Trap

C - Nut

D - Washer

E - Gauge

F - Lock Nut

G - Tensioner Arm

H - Engine Debris Management Belt (If Equipped)

Install belt trap (B) and retain with cap screws.

Tighten nut (C) until washer (D) is positioned between end of gauge (E) and bottom of step. Tighten lock nut (F).

Use breaker bar to relieve tension from the tensioner arm (G) to install engine debris management belt (H).

H108288-UN-18JUN13

A - Cap Screw (4 used)

B - Isolator Strap

C - Hardware

Cap Screws	Torque	80 N·m (59 lb·ft)

Install isolator strap (B) and retain with hardware (C).