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6-31
T--317
Table 6-8 Compressor Torque Values
TORQUE RANGE
USAGE
SIZE
DIAMETER THREADS
ft-lb
N.m
(inches)
PER INCH
1/16
27 (pipe)
8 -- 12
11 -- 16
Pipe Plug -- Crankshaft
1/8
20 (pipe)
6 -- 10
8 -- 13
Oil Return Check Valve -- Crankcase
1/4
20 (pipe)
20 -- 25
27 -- 34
Pipe Plug -- Gauge Connection
1/4
20
10 -- 12
13 -- 16
Connecting Rod Capscrew
1/4
28
12 -- 15
16 -- 20
Baffle Plate -- Crankcase
12 -- 16
16 -- 22
Side Shield
6 -- 10
8 -- 13
Oil Pump Drive Segment
12 -- 16
16 -- 22
Unloader Valve
5/16
18
16 -- 20
2 -- 27
Cover Plate -- Plate End
Bearing Head
Terminal Block Cap Screws
20 -- 30
27 -- 41
Suction Valve
Discharge Valve
3/8
16
40 -- 50
55 -- 70
Pump End Bearing Head
Bottom Plate -- Crankcase Compressor Foot
Cylinder Head
7/16
14
55 -- 60
76 -- 83
Motor End Cover -- Crankcase
5/8
11
25 -- 30
34 -- 41
Crankshaft
5/8
18
60 -- 75
83 -- 103
Oil Bypass Plug -- Crankcase
#10
32
4 -- 6
5 -- 8
Oil Pump Drive Segment
1-1/2
18 NEF
35 -- 45
48 -- 62
Oil Level Sight Glass
NEF -- National Extra Fine