MacDon A40-D, Operator'S Manual

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Revision A
Figure 4.76: Left Side Inboard Cover
8. Install cover (B) in endsheet and secure with bolt (A).
9. Close endshield.
NOTE:
Readjust tension of a new belt after a short run-in
period (5 hours).
Checking/Adjusting Timing Belt Tension on Right Side
IMPORTANT:
To prolong belt and drive life, do NOT over-tighten belt.
CAUTION
To avoid bodily injury or death from unexpected startup of machine, always stop engine and remove key
from ignition before leaving operator
’
s seat for any reason.
Figure 4.77: Right Side Timing Belt
1. Turn off engine and remove key.
2. Open right endshield.
3. Apply a force of 22
–
30 N (5
–
6.5 lbf) on belt (D) at
midspan. Belt should deflect 14 mm (9/16 in.).
If necessary, adjust as follows:
a. Loosen three nuts (A) and jam nut on adjuster
bolt (B).
b. Turn adjuster bolt (B) to move pulley (C) until
required tension is achieved.
c. Tighten jam nut at location (B) and three nuts (A).
4. Close endshield.
NOTE:
Readjust tension of new belt after 5 hours of operation.
MAINTENANCE AND SERVICING