18000 SERIVCE/MAINTENANCE MANUAL HYDRAULIC SYSTEM
Manitowoc Published 12-05-17, Control # 035-23 2-17
PRESSURE SENDER REPLACEMENT
See Figure 2-14 for identification of the pressure senders.
1. Lower all loads to ground.
2. Move all control handles to off and park all crane
functions.
3. Stop engine.
4. Place a suitable container under pressure senders to
catch oil leakage.
Perform steps 5 – 9 only at faulty pressure senders.
5. Disconnect electric plug from pressure senders.
6. Slowly loosen pressure senders only enough to allow
any remaining pressure to exhaust.
7. Remove pressure senders.
8. Install new pressure senders and connect electric cords.
Pressure senders have pipe threads. Be sure to install
thread sealant.
9. Bleed pressure senders (all except swing) as follows:
a. Connect bleed lines equipped with shut-off valves to
couplers on pressure sender manifold. Open shut-
off valves. Use a suitable container to catch oil flow.
b. With all control handles off, start engine and allow it
to idle at 1,050-1,150 rpm.
c. Observe oil flowing from bleed lines.
d. Close shut-off valves when clear oil flows from
bleed lines (no air bubbles in oil).
e. Stop engine.
f. Remove bleed lines from couplers at pressure
senders.
10. Calibrate pressure senders (see procedure in this
section).
13
Adapter Frame
and Node 7
Swing Brake
and Travel Solenoids
FIGURE 2-14 continued
81012957
14
Pump Drive Cooler
Pump Drive
A13823
WARNING
High Pressure Oil Hazard!
Do not attempt to remove a pressure sender unless
following steps are performed. High pressure oil will
exhaust from pressure sender ports.
To Next Page
Loading...
Need help?
General
