DAMPED CONTROL HEAD ADJUSTMENT
Disconnect and plug the brake line to the front drum at the torque hub (Volume 2, WP 0233).
Use caution when handling heavy parts. Provide adequate support and use assistance during
procedure. Ensure that any lifting device used is in good condition and of suitable load
capacity. Keep clear of heavy parts supported only by lifting device. Failure to follow this
warning may cause injury or death.
Raise drum 2-3 in. (50-76 mm) off the floor.
Raise REAR of roller (Volume 2, WP 0265) and support it on stands.
Make sure the drum can turn freely.
Mark edge of the drum for use in counting drum revolutions.
Remove two 600 psi (4 000 kPa) pressure gauges.
Install two 300 psi (2 000 kPa) pressure gauges at ports (Figure 18, Item 1).
Figure 18. Valve Tests and Adjustments.