OPERATOR'S MANUAL MAINTENANCE

Table Of Contents
Section 3 - Maintenance
Routine Maintenance
Hydraulic System
3-82 3-82
9803/JSM-0412
Oil and Filters
Checking the Fluid Level
1 Prepare the machine.
K Prepare the Machine for
Maintenance ( T 3-29).
Position the machine on level ground with the bucket
and dipper rams fully extended and the boom lowered
to rest the attachment on the ground, as at A.
Fig 57.
2 Check the level. Look at the fluid level in the sight
tube B. The level should be between the two marks
on the tube. If the fluid is cloudy, water or air has
entered the system.
Water or air in the system could damage the hydraulic
pump. Contact your JCB distributor if the fluid is
cloudy.
Topping-up Fluid Level
1 Prepare the machine.
K Prepare the Machine for
Maintenance ( T 3-29).
2 Release tank pressure.
K Releasing Tank
Pressure ( T 3-81)
3 Add Fluid.
a Remove plate B.
b Refill oil through the filler port using a suitable
tundish.
c Check the level through the level gauge on the
side of the tank.
d Refit plate B.