188 HyPrecision Predictive waterjet pump Operator Manual 810120
8 – Pump specifications
Pump specifications
SAE J518 flange bolts
These torque values are for bolts that are coated in antiseize bolt lubricant (white lithium grease).
To make a good seal, the sealing face must be parallel to the mating surface and the bolt tension must be
even. Align the flange face with the mating surface.
Fittings
These charts apply to all hydraulic and high-pressure water fittings. All low-pressure water connections use
push-to-connect fittings.
Some torque specifications are found on the technical drawings.
Lubricate O-rings with hydraulic fluid or O-ring lubricant before installing them.
1/16-inch dash
size
Bolt size
Code 61 grade 8 Code 62 grade 8
N∙m lbf ∙ ft N∙m lbf ∙ ft
-08 5/16-28 inch 33 24 33 24
-12 3/8-16 inch 60 44 60 44
-16 3/8-16 inch 60 44 92 68
-20 7/16-14 inch 92 68 150 111
-24 1/2-13 inch 150 111 296 218
WARNING
Do not tighten a fitting too much. The fitting can fail.
WARNING
Use 2 wrenches when loosening or tightening a high-pressure connection to prevent causing
damage or premature failure.
Do not use lubricants on low-pressure water fittings.
Use a high-pressure antiseize lubricant such as Blue Goop or PURE Goop on high-pressure
water fittings.
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