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RECOMMENDED TORQUES – "PZ MODELS" (DRY)
Cylinder To Frame Stud Nut:
PZG, PZH & PZJ (1-1/4” Studs)
1800 Ft.Lbs. (248.87 kg-m)
PZG, PZH & PZJ (7/8” Studs)
600 Ft. Lbs. (82.98 kg-m)
PZK & PZL (1-1/4” Studs)
1800 Ft. Lbs. (248.87 kg-m)
Discharge Manifold Stud Nut:
PZG, PZH & PZJ (1” Studs)
600 Ft. Lbs. (82.96 kg-m)
PZK & PZL (LP) (1” Studs)
600 Ft. Lbs. (82.96 kg-m)
PZK & PZL (HP) (1-1/4” Studs)
1150 Ft. Lbs. (159.0 kg-m)
Connecting Rod Bolt
600 Ft. Lbs. (82.96 kg-m)
Piston Rod Nut
1100 Ft. Lbs. (152.09 kg-m)
Frame Spacer Clamp Studs:
PZG & PZH
600 Ft. Lbs. (82.96 kg-m)
PZJ, PZK & PZL
1600 Ft. Lbs. (221.22 kg-m)
Liner Clamp to Frame Stud Nut:
PZG, PZH & PZJ (1-1/4” Studs)
750 Ft. Lbs. (103.7 kg-m)
PZK & PZL (LP) (1-1/4” Studs)
750 Ft. Lbs. (103.7 kg-m)
PZK & PZL (HP) (1-1/4” Studs)
1400 Ft. Lbs. (193 kg-m)
Piston Rod to Extension Rod (Threaded Style)
1000 Ft. Lbs. (138.26 kg-m)
2-Piece PZK & PZL (HP) Piston Rod Stud (Coupling Style)
1000 Ft. Lbs. (138.26 kg-m)
Piston Rod to Extension Rod Coupling Screw or Nut (Coupling Style)
75 Ft. Lbs. (10.37 kg-m)
Crosshead Pin Retaining Plate Screw
370 Ft. Lbs. (51.17 kg-m)
Crosshead Extension to Crosshead Screw
220 Ft. Lbs. (30.43 kg-m)
Valve Cover Lock Ring to Cylinder Screw:
PZG, PZH & PZJ (1” Studs)
900 Ft. Lbs. (124.4 kg-m)
PZK & PZL (LP) (1” Studs)
900 Ft. Lbs. (124.4 kg-m)
PZK & PZL (HP) (1-1/4” Studs)
1600 Ft. Lbs. (221.2 kg-m)
Eccentric Bearing Cover Plate Screw
PZG, PZH & PZJ
260 Ft. Lbs (35.9 kg-m)
PZK & PZL
400 Ft. Lbs (55.3 kg-m)