General Maintenance 227
11. Add hydraulic fluid as required to the hydraulic tank.
Arm Control Valve
Arm Control Valve Resealing
The following work instructions outline the procedure to reseal the arm control valve (or
proportional control valve) on the E
XPERT™.
NOTE: These repairs should be performed only by trained, experienced technicians.
Tools Required
Ratchet
¾” socket
½” socket
13mm socket
5mm Hex Key Driver
4mm Hex Key Driver
3mm Hex Key Driver
6” extension
10mm Combination Wrench
13mm Combination Wrench
Torque Wrench
O-Ring Pick
Small Snap-ring pliers
Small Flat Blade Screw Driver
Lifting device, minimum 500 lb. capacity (overhead winch, shop crane, etc.)
Nylon sling, minimum 500 lb. rating
Lint free rags
Petroleum jelly
Parts Required
LabriePlus part number HYV04429 Section Seal Kit: one kit required for each section + end cap
(does not include port relief adjustment screw seals, plug seal washers, or dust caps)
LabriePlus part number HYV04335-01 Electric Actuator Seal Kit: one kit required for each
actuator
LabriePlus part number HYV04330 Manual Actuator Seal Kit: one kit required for each actuator
LabriePlus part number 633B1816 port relief adjustment screw o-ring seals (as required, not
included in seal kit)
LabriePlus part number 155L6377 port relief dust cap (as required, not included in seal kit)
LabriePlus part number 684X2120 plug seal washer (as required, not included in seal kit)