Section 8
High Pressure Water System
20479291
2-2012/Rev 04
8-5
Torque Specifications
Table 8-1, Torque Specifications, details the torque specifications and tightening sequences for
the high pressure components and connections.
Table 8-1
Torque Specifications
High Pressure Water System
Hard Seal End Cap
Jackbolts 6 (7/16”) each
1st Stage Hand Tight
2nd Stage 20 ft-lbs (27 Nm) Crossing Pattern*
3rd Stage 32-35 ft-lbs (43-47 Nm)** Crossing Pattern
4th Stage 32-35 ft-lbs (43-47 Nm)* Clockwise Pattern From Bolt 1
Socket Wrench Size 3/8 inch
6-Bolt Crossing Pattern
* Note: Crossing Pattern: 1, 2, 3, 4, 5, 6 or 1, 2, 3, 4, 5, 6, 7, 8.
** Note: A maximum torque of 38 ft-lbs (51 Nm) is etched on the hard seal end cap. This
represents the maximum allowable torque, not the recommended torque.
Hydraulic Cylinder Head
Socket Head Screws 8 (M14) each
Torque 75-80 ft-lbs (102-108 Nm)
Hex Key M12
Proximity Switch
Socket Head Screws 2 (M6) each
Torque 140-160 in-lbs (16-18 Nm)
Hex Key M5
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