c.
Loosen setscrew (14) and remove shaft (16), arbor (17), springs (18, 20), washer (19) and arbor (21). Remove
cam (15).
d.
Remove nuts (22), screw (24), housing (25), seat (26), spring (27), nut (28), follower (29), diaphragm (30), seat
(31), o-ring (32), spring (33), valve (34) and o-rings (35).
e.
Remove cotter pins (37) from pin (38) and remove pin and cam dog (39).
f.
Remove cotter pins (37) from pin (40) and remove levers (41, 45). Remove roll pins (42), rollers (43) and
setscrews (44). Remove pin (40).
g.
Remove rings (46), protectors (47), rings (48), washers (49), o-rings (50), guides (51), o-rings (52), plungers (53)
and springs (54).
h.
Remove seat (55), o-ring (56), spacer (57), inlet valve (58), spring (59) and ring (60).
4-3.1.3
Cleaning, Inspection and Repair.
a.
Wash all metal parts in a non-flammable solvent and all rubber parts with soap and water. Rinse each part
thoroughly and blow dry with a low pressure air jet. Arrange the parts on a clean white surface in the order of
figure 4-2.
b.
Examine each part carefully. Flex the diaphragm and o-rings. If cracked or worn replace them. Replace all
parts that may not provide satisfactory service.
4-3.1.4
Assembly. During assembly, lubricate each part. Use No. 107 Lubriplate on metal to metal surfaces and
Cosmolube on all rubber parts. Equivalent greases may be used.
a.
Assemble spacers (57), valves (58), springs (59) and rings (60). Install in body (36).
b.
Install -rings (56), seats (55), springs (54), plungers (53), o-rings (52), guides (51), o-rings (50), washers (49),
rings (48), protectors (47) and rings (46).
c.
Assemble setscrews (44), rollers (43) and roll pins (42) to levers (41, 45). Install pin (40) in body (36), then install
levers (41, 45) and cotter pins (37).
d.
Position cam dog (39) in place on body (36) and install pin (38) and cotter pins (37).
e.
Assemble seat (31), diaphragm (30), follower (29) and nut (28). Install o-ring (32) on seat (31) and o-rings (35)
on valve (34). Install valve (34) in body (36).
f.
Install screw (24), seat (26), spring (27), diaphragm assembly (28 32) and spring (33) in housing (25). Assemble
housing (25) to body (36) and install nuts (22).
g.
Assemble arbors (17, 21), springs (18, 20) and washer (19) on shaft (16). Position cam (15) in housing (12), then
install assembled shaft (16) in housing (12) through cam (15). Tighten setscrew (14).
h.
Install yoke (6) on shaft (16), then install ball and shaft (8, 7) in yoke (6). Install nut (5).
4-23
