LUBRICATING EQUIPMENT REPAIR INSTRUCTIONS
Section I. LUBRICATING UNIT PUMPS
(Used on Serial Numbers 69-29737 through 69-29942)
(c) Unscrew nut (22) and pull primer
8-1. General
piston (21) off.
The air powered pumps are mounted opposite
(d) Unscrew primer rod (20). Remove
the hose reel bank assembly. A high pressure,
piston (11 ) from piston nut (7). Inspect
60 to 1 ratio pump is mounted on the center
packings (8 and 10) and backup washer (9),
lubricant container and one 10 to 1 ratio low
replace if necessary,
pressure pump is mounted on each of the two
(e) Remove piston nut (7) and tap out
outside lubricant containers. The pumps are
ball (6) and spring (5). Clean ball and piston
heavy duty piston type designed for volume
nut thoroughly. Reseat ball using soft metal
operation under extreme conditions.
rod and tapping lightly with small hammer.
(2) Replace packings (6, 7 and 8, fig.
8-1A) as follows:
a. Removal. Remove the high pressure pump
(a) Disassemble tube and rod assembly
as instructed in paragraph 3-1114.
as outlined in step 8-2d ( 1 ).
b. Disassembly. Disassemble the high pres-
sure pump in the numerical sequence as
Remove outlet body assembly and drain valve
illustrated in figure 8-1.
assembly.
c. Inspection.
and mounting plate (3). Loosen rod (2, fig.
(1) Clean all parts in an approved clean-
ing solvent.
pressure cylinder support assembly.
(2) Inspect and replace any worn or
Note. It may be necessary to loosen cylinder
damaged parts.
cap (4, fig. 8-1C) and pull out and hold air piston
(3) Inspect threaded surfaces for damage.
assembly.
(4) Replace all parts supplied in parts
(d) Place high pressure cylinder sup-
kit.
port (4, fig. 8-1A) in vise and remove nut
(9). Remove female packing ring (8), six
d. Repair.
V-packings (7) and male packing ring (6).
(1) Clean ball seat and primer valve as
(e) Inspect and replace damaged or
follows:
worn parts.
(a) Remove primer cylinder (17, fig.
Note. Soak V-packings (7) in oil before in-
stalling.
pipe wrench.
Remove O-ring (10), inspect and
(f)
Note. Primer valve assembly will come off
replace if necessary.
when high pressure cylinder is removed.
(3) Remove O-ring or valves in air piston
(b) Remove retaining ring (12),
as follows:
washer (13), packing (14) and backup wash-
(a) Disassemble as outlined in steps
er (15). Replace packing (14) and backup
washer (15) as necessary.
8-2d(1)(2).
