(11)
If removed, assemble cylinder studs (57, 62, 67,
and 72) in crankcase (127) (12) Place gasket
(73) over cylinder studs (72), assemble fourth
stage piston assembly (Figure 8-17) to
connecting rod (115) with fourth stage piston pin
(7, Figure 8-17) pushed through piston and rod
(115, Figure 8-12) and secure with two retaining
rings (79). Lubricate piston rings (2, Figure 8-
17) with clean compressor oil and carefully
assemble cylinder (Figure 8-18) over fourth
stage piston assembly (Figure 8-17). Assemble
the fourth stage cylinder (70) to crankcase (127),
secure with heavy duty locknuts (71).
(13)
Place gasket (68) over cylinder studs (67).
Remove piston pin (Figure 8-16) from third stage
piston, position piston over connecting rod (115,
Figure 8-12) and assemble piston to connecting
rod by pushing piston pin through piston and rod
and securing pin in position with retaining rings
(69). Carefully assemble cylinder (16, Figure 8-
16) over piston with air outlet (on side of cylinder
head) facing non-drive end of compressor.
Secure cylinder (16) to crankcase with heavy
duty locknuts (66, Figure 8-12).
(14)
Place gasket (63) over cylinder studs (62).
Remove piston pin from second stage piston (1,
Figure 8-15). Position piston over connecting
rod (116) and assemble piston to rod by pushing
piston pin through piston and rod. Secure piston
in position with retaining rings (64). Carefully
assemble cylinder (17, Figure 8-15) over piston
(1) with air outlet (on side of cylinder head)
facing non-drive end of compressor. Secure
cylinder (17) to crankcase with heavy duty
locknuts (61, Figure 8-12). Mount oil filter
mounting bracket (52) and secure to head and
cylinder (60) with two lock washers (54) and two
1-3/4 inch long cap screws (53). Tighten all
eight head cap screws to 20 pounds foot. Install
adapter (51) and compressor oil filter (50) on
mounting bracket (52).
(15)
Place gasket (58) over cylinder studs (57).
Remove piston pin from first stage piston (1,
Figure 8-14); position piston over connection rod
(117) and assemble piston to rod by pushing pin
through piston and rod. Secure piston pin in
position with retaining rings (59). Carefully
assemble cylinder (17, Figure 8-14) over piston
(1) and with air outlet in head facing down and
secure to crankcase with heavy duly locknuts
(56, Figure 8-12).
(16)
Assemble oil relief ball (49), relief spring (48),
gasket (47), locknut (46), and oil relief screw
(45) in end cover (90). Assemble piston (44),
reducing bushing (43), and adaptor (42) in end
cover (90). Assemble pipe plug (41) in end
cover (90).
(17)
Screw street elbow (40) into oil sump (I 21) oil
drain. Assemble reducer bushing (39) to elbow
(40). Screw elbow (33) into oil strainer (120).
Install one reducer bushing.
(18)
Install adapters (37 and 36) in end cover (90).
Connect oil sump-to-oil pump hose (35) between
elbow (33) in oil strainer (120) and adapter (36)
in end cover (90).
(19)
Install one elbow (33) in end cover (’)O) an(l one
elbow (33) in oil sump (121). Connect oil pump-
to-oil sump hose (32) between elbow (33) in end
cover (90) and elbow (33) in oil sump (121).
(20)
Install one elbow (30) in fourth stage cylinder
(70) and one elbow (39) in end cover (90).
Connect fourth stage cylinder-to-oil pump hose
(29)
between elbow (30) in fourth stage
cylinder (70) and elbow (31) in end cover (90).
(21)
Install tee (28) in air sump (121) and elbow (33)
in fourth stage cylinder (70). Connect fourth
stage cylinder-to-oil sump hose (27) between
elbow (37) in fourth stage cylinder (76) and tee
(20) in oil sump (121).
(22)
Install elbow (26) in third stage cylinder (65).
Connect third stage cylinder-to-oil sump hose
(25)
between elbow (26) in third stage
cylinder (65) and tee (28) in oil sump (121).
(23)
Screw one adapter (24) into boss on end cover
(90) and one adapter (24) into boss on filter
mounting bracket (52). Connect oil filter-to-oil
pump tube (23) between adapter (24) in
mounting bracket (52) and adapter (24) in end
cover (90).
(24)
Install elbow (22) in boss on oil filter mounting
bracket (52) and adapter (21) ill boss oil end
cover (90). (Connect oil pump-to-oil filter tube
(20) between adapter (21) in end cover ()() and
elbow (22) in bracket (52)
6-23
