Manitowoc 999, Service And Maintenance Manual

Page: 104 / 298

Reference
Only
HYDRAULIC SYSTEM 999 SERVICE/MAINTENANCE MANUAL
2-24
Published 05-16-17, Control # 233-03
Initial Oil Fill
1. Check that hydraulic oil flow between auxiliary drum
pump and auxiliary drum filter is correct as shown in
Figure 2-17 .
2. Fill all motor cases with oil ( Figure 2-16 ).
a. Disconnect fittings at case drain ports.
b. Fill each motor case to level of case drain port. Use
new hydraulic oil which has been filtered
through a 10-micron filter.
c. Reconnect fittings.
3. Make sure hydraulic tank shut-off valve is fully open
(
Figure 2-18 ).
4. At engine, check that engine clutch is engaged
(
Figure 2-19 ).
5. Open charge filter shut-off valve ( Figure 2-20 ).
6. Remove bleed cap from outlet fitting of auxiliary drum
filter (
Figure 2-20 ).
7. Remove bleed plug from top of tee in suction tube
(
Figure 2-20 ).
8. Remove pressure gauge fitting from top of charge filter
manifold (
Figure 2-20 ).
CAUTION
Equipment Damage!
Filters and fittings incorrectly installed will damage pumps
and motors.
FIGURE 2-17
A1187
Out
(to pump)
In
(from pump)
Auxiliary
Drum Filter
Out
(to filter)
In
(from filter)
Auxiliary Drum Pump
FIGURE 2-18
Close
Open
P1074a
Locking
Pin
Hydraulic Tank Shut-Off Valve
(accessible from under rear of rotating bed)
FIGURE 2-19
DISENGAGE
ENGAGE
Engine Disconnect Lever
(above pumps in left rear enclosure)