122 HyPrecision 50S/60S/75S Operator Manual 808690
5 – Preventive maintenance
Preventive maintenance
Install the high-pressure end caps
Required parts, tools, and materials
13186 Antiseize bolt lubricant (white lithium grease)
High-pressure antiseize lubricant such as Blue Goop or AccuGoop
7/8-inch open-ended wrench
12091 Torque wrench, 3/4-inch drive, 60 lbf∙ft to 300 lbf∙ft (included in the 12084 HyPrecision standard
tool kit)
Square drive socket, 1-1/2 inch × 3/4 inch (included in the 12084 HyPrecision standard tool kit)
CAUTION
Overtightening a fitting can cause it to fail. Use 2 wrenches when loosening or tightening a
high-pressure connection. Using only 1 wrench can increase bending stress to the parts and cause
damage or premature failure.
1 Studs
2 Low-pressure water fitting
3 Stud nuts
4 High-pressure end cap