Hypertherm HyPrecision 15, Руководство оператора

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HyPrecision15/30/50 Operator Manual 808240 123
5 – Preventive maintenance
Preventive maintenance
Install the high-pressure end cap

Refer to the Parts lists section, which begins on page 147, for part numbers and ordering information.
Required tools, materials, and parts
13186 White lithium grease antiseize bolt lubricant
High-pressure antiseize lubricant such as Blue Goop or AccuGoop
7/8-inch open-ended wrench (low-pressure water fitting)
12091 Torque wrench, 3/4-inch drive, 60 lbf ∙ ft to 300 lbf ∙ ft (included in the HyPrecision standard tool kit)
Square drive socket, 1-1/2 inch × 3/4 inch (stud nuts) (included in the HyPrecision standard tool kit)
1. Put the end cap onto the check valve and studs with the water fitting pointed toward the attenuator.
2. Put white lithium grease on the stud threads.
3. Hand tighten the nuts on the studs.

Put the smooth side of the nut toward the end cap.
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.
Put the parts on a clean, dry, oil-free surface.
1
2
3
4
1 Studs
2 Low-pressure water fitting
3 Stud nuts
4 High-pressure end cap