4-46 Inspection, Maintenance and Adjustment
022-00029AE Operation and Maintenance Manual
3.
Without starting engine, operate controls to dump bucket. (Figure 83). Then operate controls to lower
boom. (Figure 84). This will drain oil out of boom and bucket cylinders.
4.
Replace full flow hydraulic filters as described under “Loosen breather cap on hydraulic reservoir.
(See Figure 10 on page 4-10).” on page 4-27.
5.
Remove and clean pump inlet strainer
(Figure 85) inside hydraulic reservoir.
A.
Remove bolts (8, Figure 85) that
retain strainer cover (9).
B.
Remove strainer cover (9, Figure 85)
and strainer (7) from reservoir.
C.
Remove strainer (7, Figure 85) from
strainer cover.
D.
Clean strainer (7, Figure 85) in a
nonflammable, non toxic solvent.
E.
Mount strainer (7, Figure 85) on
strainer cover (9).
F.
Insert strainer (7, Figure 85), and
cover (9), into reservoir.
G.
Install and tighten bolts (8, Figure 85)
that retain cover (9).
6.
Install reservoir drain plug. Refill reservoir
by pouring oil in through breather cap
opening. Install and tighten breather cap.
7.
Start engine and operate controls to raise and lower bucket a few times. (Figure 86). Raise and lower
boom a few times. (Figure 87). Lower bucket to ground.
8.
Check reservoir sight gauge. (See Figure 9 on page 4-10). Oil level must be between upper limit and
lower limit on sight gauge. Remove breather cap and add oil if necessary.
Figure 85
Figure 86
Figure 87
