104 HyPrecision Predictive waterjet pump Operator Manual 810120
5 – Preventive maintenance
Preventive maintenance
Remove the indicator pin assembly
Parts, tools, and materials
1. Use a hex wrench to remove the socket-head cap screws and the lock washers from the indicator pin cap.
2. Pull the indicator pin cap out of the hydraulic end cap.
3. If the O-ring backup and the O-ring are being replaced, remove them from the indicator pin cap.
4. Remove the spring from the indicator pin.
5. Remove the indicator pin from the indicator pin hole in the hydraulic end cap.
Replace the indicator pin springs every 3,000 hours.
1
1-13663 Cap screw and
1-13665 Lock washer
2
1-11519 Indicator pin cap
3
1-11680-013 O-ring backup, -013
4
1-11679-013 Indicator pin O-ring, -013
5
1-11669 Indicator pin spring
6
1-11518 Indicator pin
Clean towels
Isopropyl alcohol
5/32-inch hex wrench