140 HyPrecision 50S/60S/75S Operator Manual 808690
5 – Preventive maintenance
Preventive maintenance
Install the bleed-down valve
Required parts, tools, and materials
12880-912 Hydraulic fitting SAE O-ring (from 12981 Bleed-down valve II repair kit)
13969 Petroleum-based O-ring lubricant
Full set of standard open-ended wrenches
Adjustable wrench
Torque wrench
High-pressure antiseize lubricant such as Blue Goop or AccuGoop
CAUTION
Failure to correct the cause of a leak can cause damage to the water fittings.
Service Interval
Repair the bleed-down valve (page 130)
After every 1,000 hours of operation or if water leaks
from the wastewater outlet or from the weep holes
while the pump is running
Replace the bleed-down valve body After every 3,000 hours of operation
1 O-ring boss adapter
2 Valve body
3 Outlet adapter
4 Hydraulic hose
5 Hydraulic hose fitting
6 High-pressure water fitting (gland nut)
7 3/8-inch gland nut
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