TM 5-4930-218-14
and preformed packing.
(1) If lubricant leaks between housing cap (28)
(2) Clean all parts with dry cleaning solvent (fed.
and housing (42), replace preformed packing (29).
spec. P-D-680).
(2) If lubricant leaks around trigger (39), replace
(3) Inspect the dial and window for cracks,
quad rings (40) on cam (41).
scratches, and illegible markings. Replace a damaged
(3) If lubricant fails to shut off when trigger is
dial and window.
released, replace valve seat (35).
(4) Inspect the register assembly for catching
(4) If lubricant leaks around dial, disassemble as
and binding operation. The gears must rotate freely
necessary to replace packing set (24).
and without restriction. Check that the number dial
markings are legible and clear. Replace if damaged.
follows:
(5) Inspect gears for chipped or broken teeth.
(1) Loosen setscrew (1, fig. 6-4) and remove reset
(6) Inspect and replace any worn, leaking or
knob (2). When removing the reset knob, take care to
damaged parts.
prevent losing the plunger (3), spring (4), clutch
d. Reassembly. Reassembly is essentially the
rollers (5), and retaining springs (6) which are
reverse of disassembly. Note the following
released as knob is removed.
(1) During reassembly, you should apply a light
(2) Loosen setscrew (7) and remove reset lock cam
coating of engine oil on the preformed packing and
(8).
packing set.
(3) Remove retainer sleeve (9).
(2) Apply a light coat of grease to all gear teeth.
(4) Remove the pointer and spring (10). Take care
(3) You must install the clutch roller (11) and
to prevent losing the clutch roller (11) and retaining
retaining spring (12) in the notch of the pointer cam
spring (12) which are released as the pointer is
(17) before installing the pointer and spring (10).
removed.
Hold the parts in place as the pointer and spring
(5) Remove the four screws (13) securing the
assembly is positioned on the cam.
shroud (14) to the housing; remove the shroud and
(4) Position the two clutch rollers (5) and
dial (15).
retaining springs (6) in the notches of the reset lock
(6) Loosen setscrew (16) and remove the pointer
cam and hold them in place as the reset knob (2) is
cam (17). Remove pointer gear (18).
positioned on the cam. Tighten the setscrew (1) to
(7) Loosen setscrew (19) and remove worm assem-
bly (20) and washer (21). Lift out the register assem-
secure the knob.
(5) After reassembly, you should test the dispen-
bly (22).
ser for correct operation.
(8) Unscrew packing gland nut (23) and remove
packing set (24).
(9) Remove oil dispensing nozzle (25), tube (26),
and connector (27).
The gear oil dispenser is similar to the engine oil
(10) Using wrench flats provided, unscrew
dispenser except that the gear oil dispenser does not
housing cap (28) and remove packing (29), chamber
use an inner pointer (10, fig. 6-4), clutch roller (11), or
and piston (30), and spindle and gear (31).
retaining spring (12), and a register gear is used in
(11) To remove the spring retainer (32), use an
place of a pointer cam (17). All other components are
allen key inserted into the handle to unscrew the
the same except for the dispensing nozzles. The gear
retainer and release the screen (33), spring (34), valve
oil dispenser uses nozzle (43), adapter (44), pipe nip-
seat (35), and valve sleeve (36).
ple (45), reducer bushing (46), and adapter (47). Refer
(12) When removing the trigger (39), remove the
to paragraph 6-10 for instructions.
screws (37) and washers (38); spread the trigger yoke
to disengage it from the square bosses on the cam
(41).
a. Repair. Some repairs to the grease dispenser
are possible without complete disassembly of the
c. Cleaning and Inspection.
(1) Discard and replace packing set, quad rings,
unit. Refer to figure 6-5 and proceed as follows:
