144 MAX Operation & Service Manual144 Section 6: Maintenance & Service MAX Operation & Service Manual
Adjusting the Traction Drive Chain Tension and Alignment
Tools needed: 3/8” socket wrench, 5/32” allen wrench.
Refer to
Figure6-26.
Figure6-26.AdjustingandLubricatingDriveChains
(1) TRACTION DRIVE MOTOR
(2) TRACTION DRIVE MOTOR MOUNTING
BOLTS
(3) TRACTION DRIVE CHAIN
(4) TRACTION DRIVE SHAFT SPROCKET
(5) REAR SHAFT BEARING BLOCKS
(6) TRACTION DRIVE BEARING BLOCKS
1. When you depress the traction drive chain, there should be about 3/8” of movement in the
chain. If there is too much, or too little movement, follow this procedure.
2. Place machine in transport position with power supply disconnected.
3. Slightly loosen 4 mounting bolts that secure the traction drive motor to the frame.
4. Place machine in operating position.
5. Check movement of chain.
6. To tighten chain, slide traction drive motor assembly away from the traction drive wheels to
tighten up slack.
7. To loosen chain, slide traction drive motor assembly toward the traction drive wheels to provide
more slack.
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