Valmar Adjustments & Service
Page 35
Figure 6 - 10: Fan Belt Tension
Adjust hydraulic and gas engine fan drives by
loosening the lock nuts and bolts on the sliding
motor mount. Use a pry bar to adjust the
tension as shown in Figures 6-11 and 6-12.
Tighten the bolts and locknuts securely when
tensioning is complete.
Pry Here
Bolts & Locknuts
Figure 6 - 11: Gas Engine Fan Belt Tension
Pry Here
Bolts & Locknuts
Figure 6- 12: Hydraulic Fan Belt Tension
Chain Tension
Allow 2% slack (1/4” per foot) between shaft
centers for proper chain tension, as measured
at the mid-point of the chain span.
Hydraulic Fan Drive Motor (Figure 6-13)
Should the hydraulic fan drive motor be
disassembled for any reason, it is critical to
reassemble it so that it rotates in the correct
direction as shown below.
Figure 6- 13: Hydraulic Fan Drive Motor
Tire Pressure
The ground drive tire should be inflated to 30
psi.
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