262334 175 Revision A
Figure 4.84: Right Timing Belt
3. Position belt (C) onto knife drive box pulley (E) and knife
drive pulley (D) as shown.
IMPORTANT:
To prolong the belt and the drive life, do NOT over-tighten
the belts.
NOTE:
When installing the new belt, NEVER pry the belt over the
pulley. Fully loosen the adjusting screw, then tension
the belt.
4. Turn adjuster bolt (B) to move pulley (C) until a force of
22–30 N (5–6.5 lbf) deflects belt (C) 14 mm (9/16 in.) at
midspan.
5. Tighten the jam nut at location (B) and three nuts (A).
Figure 4.85: Right Inboard Cover
6. Install cover (B) in endsheet at the knife drive box and
secure it with bolt (A).
7. Close the endshield.
NOTE:
Readjust the tension of a new belt after 5 hours of
operation.
4.9.2 Header Reel Drive
The reel drive gearbox is a sealed, factory-assembled unit on A40D and A40DX Auger Headers. The reel drive gearbox
requires no scheduled maintenance, but if service is required, contact your Dealer.
4.9.3 Header Auger Drive
The auger on an A40D and A40DX Header is driven directly from a hydraulic motor that is powered by the windrower
hydraulics.
MAINTENANCE AND SERVICING