Technical data
Rebuilding
the Compressor
10
4
A
2
B
C
12,13
16
14
Torque
to
30–45 in-lb
(3.4–5 N.m)
T
orque to
75–90 in-lb
(8.5–10 N.m)
For
Series B compressor
:
Use
button head
capscrew and torque to
75–90 in-lb
(8.5–10 N.m)
For
Series A compressor:
use
hex screw and
torque to 30–35 in-lb
(3.4–3.9 N.m)
Using cross pattern,
torque to
84–120 in-lb
(9.5–13.5 N.m)
22
9
3
8
7
1. Remove
the fan (14).
2.
Disassemble the compressor head (3) as shown.
T
o remove the connecting rod and cylinder (10),
loosen its setscrew (B).
3.
If you are using the old valve plate (8), scrape the
old gasket (7) of
f of it.
4.
Install the cylinder sleeve with its notch (A) toward
the rear of the motor
. Lower the connecting rod
(10) into place so its part number faces out. Posi
-
tion the piston around the bearing (12) and tighten
the connecting rod to 120–140 in-lb
(13.5–16 N.m).
5.
Place the o–ring (9) in the valve plate (8) groove.
Install the valve plate, o–ring down, with the dis
-
charge valves (B) facing right as shown in the
drawing.
6.
Install the remaining parts, except the fan (14).
Be sure the longer head screws (4) are installed
toward the rear of the motor
. Always using a cross
pattern, hand tighten the screws (2,4), torque light
-
ly
, and then torque again to
84–120 in-lb (9.5–13.5 N.m).
7.
Be sure the compressor operates.
Hold on to
the motor firmly and plug it in to ensure there is air
from the discharge. If not, check the position of the
valve plate (8) discharge valves (C).
8.
Install the fan (14), matching the keyway to the
bearing (12).