OMSU20196: 6100D, 6110D, 6115D, 6125D, 6130D and 6140D Tractors, Block File: NS43404_000050F_19

Inspect Alternator/Fan Belt Tensioner

NOTE: Pulley and spring tensioner are not serviceable.

1. Remove belt (A). (See procedure in this section.)

A-Belt

NS43404,000050F -19-15APR08-1/3

NOTE: A belt tension gauge will not give an accurate measurement of the belt tension when automatic belt tensioner is used. Measure tensioner spring tension using a torque wrench and procedure outlined below.

2. Put a mark (A) on swing arm of tensioner as shown.

3. Measure 21 mm (0.83 in.) from (A) and put a mark (B) on tensioner mounting base.

A-Swing Arm Mark
B-Tensioner Mounting Base Mark

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4. Rotate the swing arm using a torque wrench until marks (A and B) are aligned.

5. Record torque wrench measurement and compare with specification. Replace belt tensioner assembly if recorded measurement is below specification.

Specification

Swing Arm Spring Tension -Torque

18-22 N·m

(159-195 lb-in.)

6. Install belt. (See procedure in this section.)

A-Swing Arm Mark
B-Tensioner Mounting Base Mark

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