4-19. DIRECTION CONTROL LEVER MAINTENANCE INSTRUCTIONS - Continued
cover (30) Remove the cover and gasket
(31) Discard the gasket
Secure the pulley on the vibrator assembly to
prevent it from turning
Remove flat head screw (32). Washer (33)
may come out with screw
Remove the three socket head capscrews
(36) and lockwashers (37)
Remove control housing (38) from vibrator as
sembly, and remove the shift sleeve (34) and
washer (35) from inside the control housing
Remove gasket (39) and discard.
Using snap ring plier remove Internal retain-
ing ring (40) from groove in bore of control
W A R N I N G
P-D-680, Type III, is moderately toxic to
the skin, eyes and respiratory tract:
avoid prolonged exposure. Skin and
eye protection is required. Good ventila-
tion is required. Do not use near open
flame or excessive heat. Flash point is
200° F (93.3° C).
Clean cable assembly with rag dampened with
dry cleaning solvent and dry thoroughly.
Clean all other parts in dry cleaning solvent and
Ensure that all residue from gasket (39) is re-
moved from both the face of control housing (38)
and the mating face on the vibrator assembly.
Inspect control cable (1) for kinks or other dam-
age that would cause binding of the control wire
in the cable.
Inspect turning bolt (23) for scoring or other dam-
age that would indicate entry of dirt into the bore
of the control housing (38).
Inspect pin (27) for signs of wear or bent condi-
tion. If worn or bent, replace the pin. A new pin
measures 6 mm in diameter.
Inspect sleeve (34) for signs of wear in the
groove around the outer surface. The pin (27)
rides in this groove near the notch. This groove is
6.1±0.1 mm wide when new Replace sleeve if
groove exceeds 6.3 mm in width.
Inspect control housing (38) for cracks, scored
bores, damaged thread holes, or other damage.
Inspect threaded fasteners for damaged threads
or wrenching surfaces.
Replace any part found defective in any way.
Using snap ring plier, install internal retaining
ring (40) in groove inside bore of control hous-
Install new gasket (39) on control housing (38).
Install the control housing (38) with new gas-
ket (39) onto the vibrator housing. aligning the
three mounting holes. Secure with three socket
head capscrews (36) and lockwashers (37).
Torque capscrews to 17 ft-lbs (23 Nm) with
torque wrench fitted with 6 mm hex key driver.
Install two preformed packings (26) and seal
ring (25) onto turning bolt (23) and seat against
each other with the first preformed packing
against shoulder of turning bolt.
With the pin (27) at center top, insert turning bolt
(23) into the control housing just far enough so