Revision 6
TORQUE VALUES TABLE
8-A
Fluid
&
Power
End
Part Required Torque (Lubricated)
Pound-Feet
Newton Meter
Stuffing Box Bolt - A-Cylinders
300
406.7
Stuffing Box Bolt - B-Cylinders
150 203.4
Suction Manifold Bolt
300
406.7
Discharge Manifold Bolt
450 612
*Tie Stud Bolt
300
406.7
Crosshead Pin Screw 15
20
Connecting Rod Bolt
40
54.6
Frame Cap Bolt
35
47.2
Crankcase Cover Bolt
15
20
Stub Seal Cap
35 47.2
*Plunger-to-Crosshead Stub Thread
40
54.6
Inspection Cover
(Top)
Bolt
35
47.2
*:Use
blue LOCTITE® on threads.
Clearances
When Parts Are New
Part
Inches
Millimeters
Crosshead
in
Power Frame .006 to .008 .15
to
.20
Crosshead Pin Bearing over Crosshead .0020 to .0027 .05
to
.07
Pin
Connecting Rod Bearing over Crankshaft
.005 to .007
.12
to
.18
Crankshaft End Play
.001
to .005 .02
to
.12
Plunger
Back-Up
Ring
.002 to .004 .051
to
.102
Replace Parts (Or Adjust) When
Part
Clearance Exceeds:
Inches
Millimeters
Crosshead
in
Power Frame
.011
.28
Crosshead Pin Bearing over Crosshead
.005**
.12**
Pin
Connecting Rod Bearing over Crankshaft
.012
.30
© Copyright October,
2001
NLB Corporation
8-36
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