PROPEL AND VIBRATORY VALVE TESTS AND ADJUSTMENTS - CONTINUED
DAMPED CONTROL HEAD ADJUSTMENT
Disconnect and plug the brake line to the front drum at the torque hub (WP 0125 00).
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 (WP 0210 00) 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 (4000 kPa) pressure gauges.
Loosen locknut (35) approximately one-half turn.
While holding locknut (35), turn damped adjustment screw (36) until approximately seven threads are exposed beyond
locknut (35). Tighten locknut (35).
Start roller and set propel control lever to LOW range (TM 5-3895-379-10).