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RECOMMENDED TORQUES FOR HD-2250 PUMP MAINTENANCE
TORQUES
FOOT POUNDS
.
DESCRIPTION FASTENER WITH LOCTITE WITH
ANTISEIZE
Gear Covers, Misc. ............................................ 3/8”-16 16
Main Bearing retainer plate screws (Gr. 8)………1/2”-13 58
Plunger Clamp Bolts……………………………….. 1/2”-13 58
Pinion Bearing Housing...................................... 3/4”-10 160
Extension Rod to Crosshead .............................. 3-1/4”-8 1200
Conn Rod to Bearing Housing, Lock Nuts……….. 7/8”-9 340
Fluid End Suction Manifold ................................ 7/8”- 9 340
Discharge Flange to Fluid Cylinder Nuts............. 1”- 8
475
Conn Rod Bearing Housing, Cap Screws……….. 1”- 8 475
Bull-Gear Retaining Screws (Gr. 8)………………..1-1/4”-7 1350
Stay Rods into Frame ........................................ 1-3/4”-8 1000
Fluid End to Stay Rods Nuts .............................. 1-3/4”-8 2000
Crosshead Thrust Bearing Retainer
to Crosshead …………………………………………1/2”-13 58
………………………………………………………… 5/8”-11 116
Plunger Clamp Bolts .......................................... 5/8”-11 75
Summary of Contents for HD-2250
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