214327 170 Revision B
Figure 5.88: Access Cover
9. Tension the knife drive belt. For instructions, refer to
Tensioning Timed Knife Drive Belts, page 170.
10. Install access cover (A) and secure it with a bolt.
11. Close the endshield. For instructions, refer to Closing
Endshield, page 36.
Tensioning Timed Knife Drive Belts
The procedure for tensioning timed knife drive belts is the same for both sides of the header. The illustrations shown are
for the left side—the right side is opposite.
DANGER
To prevent bodily injury or death from the unexpected start-up or fall of a raised machine, always stop the engine and
remove the key before leaving the operator’s seat, and always engage the safety props before going under the
machine for any reason.
IMPORTANT:
To prolong belt and drive life, do NOT overtighten belt.
IMPORTANT:
Do NOT use adjuster bolt at drive pulley to adjust timing belt tension.
1. Shut down the engine, and remove the key from the ignition.
2. Open the endshield. For instructions, refer to Opening Endshield, page 35.
Figure 5.89: Left Knife Drive
3. Loosen two nuts (A) on the knife drive belt idler bracket.
MAINTENANCE AND SERVICING