Grove Published 11-22-2016, Control # 345-12 2-85
RT9130E-2 SERVICE MANUAL HYDRAULIC SYSTEM
3. Install the replacement o-ring in the inside of the piston.
4. Lubricate the rod with clean hydraulic oil.
5. Slide the head, larger OD end first, onto the rod.
6. Install the piston onto the rod. Secure the piston with the
nut.
7. Install the replacement piston seal and wear ring on the
outside of the piston.
8. Lubricate all parts freely with clean hydraulic oil.
9. Remove the cover from the barrel. Insert the rod and
attached parts into the barrel with a slight twisting
motion.
10. Thread the head into the barrel and using a spanner
wrench or chain wrench, tighten the head.
11. Pressurize and cycle the cylinder with hydraulic oil
pressure. Static pressure test the cylinder at 3500 psi
(24131.6 kPa). Check for proper operation and any
leakage. Make repairs as needed.
CAUTION
Possible Equipment Damage!
Exercise extreme care when handling the rod. Damage to
the rod surface may cause unnecessary maintenance
and expense. Also, take care to avoid damaging grooved
or gland surfaces or rings or seals during rod insertion.
CAUTION
Flying Parts Hazard!
Use only a source of controlled hydraulic oil pressure to
cycle or pressurize the cylinder.
Parts can fly from the cylinder at dangerous speeds when
using air pressure.
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