112 HyPrecision 50S/60S/75S Operator Manual 808690
5 – Preventive maintenance
Preventive maintenance
Install the indicator pin assembly
Required parts, tools, and materials
11518 Indicator pin
11669 Indicator pin spring (included in the 15569 HyPrecision S-series standard spares kit)
13186 Antiseize bolt lubricant (white lithium grease)
Antiwear (AW) mineral oil or synthetic hydraulic fluid, ISO viscosity grade (VG) 32 or 46
Torque wrench
5/32-inch hex wrench or hex-bit socket
1. Put the indicator pin into the indicator pin hole in the hydraulic end cap. Turn the pin so that the offset post
goes into the aperture at the back of the hole.
2. Put the spring on the indicator pin.
3. Put the O-ring backup on the indicator pin cap.
4. Put a small quantity of hydraulic fluid on the O-ring.
5. Put the O-ring on the indicator pin cap.
Service Interval
Replace the indicator pin spring After every 3,000 hours of operation
Replace the indicator pin After every 6,000 hours of operation
1 Cap screws and lock washers
2 Indicator pin cap
3 Indicator pin O-ring backup
4 Indicator pin O-ring
5 Indicator pin spring
6 Indicator pin
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