Inspecting Fan Belt Tensioner

SERVICE INTERVAL - 1500 HOURS

 

1. Raise hood.

2. Remove cap screws (A) and lift side shield off of alignment studs.


A-Cap Screws

RXA0068395

Right-Hand Side

OUMX005,000161A -19-22MAR05-1/3

3. Release tension on belt using 1/2 in. drive breaker bar (A).

4. Remove belt from alternator pulley.

5. Release tension on tension arm and remove breaker bar.


A-1/2 in. Drive Breaker Bar

RXA0068399

OUMX005,000161A -19-22MAR05-2/3

6. Measure 21 mm (13/16 in.) from (B) and put a mark (C) on mounting bracket.

7. Rotate tension arm with torque wrench (A) until marks (B and C) align. If torque wrench measurement is not within specification, replace tensioner mechanism. (See your John Deere dealer.)

Specification

Tension Arm -Torque 18-23 N·m (159-204 lb-in.)

8. Install belt and side shield.

9. Lower hood.


A-Torque Wrench
B-Mark on Tension Arm
C-Mark on Mounting Bracket

RXA0068400
RXA0064135
RXA0064136

OUMX005,000161A -19-22MAR05-3/3