Manitowoc Grove TMS9000-2 Series, Руководство по обслуживанию

Страница: 135 / 408

Grove
Published 01-14-2021 Control # 707-01
3-15
TMS9000-2 SERVICE MANUAL ELECTRICAL SYSTEM
3
Troubleshooting Crane Components and
Accessories
1. If a crane component or accessory won’t work when it is
supposed to, check and replace fuse. Also check and
replace its relay as needed.
2. Check the component or accessory, its control or
triggering component, and its circuit for continuity
problems and other problems. Repair any faulty
component or accessory or trigger. Repair wiring if
faulty.
The following carrier circuit designs apply (connecting wiring
and passage through swivel slip ring -- as applicable -- is
understood):
- Windshield wiper motor and windshield washer
pump motor. F04, wiper/washer switch, motors in
parallel, grounds.
- Heater/defroster fan. F09, heater switch, fan motor,
ground.
- Cab circulating fan. F14, switch, motor, ground.
- Air dryer fuse is F62. Power goes straight from F62
to air dryer element to ground.
Alternator Replacement
Removal
1. Make sure that the key switch has been in the OFF
position for 2 minutes.
2. Turn the battery disconnect switch to the OFF position.
3. Remove the ECM power fuse.
4. Remove the negative battery cables (Figure 3-24).
5. Open the engine compartment.
6. Tag and disconnect the electrical leads from the
terminals on the alternator.
7. Turn the tensioner above the alternator clockwise to
remove tension from the belt. Slip the belt off of the
alternator pulley, then let the tensioner return to its
normal position.
8. Remove the four bolts attaching the alternator to the
mounting bracket. Remove the alternator.
Installation
1. Inspect the belt. Verify it has no cracks or other damage.
Replace damaged belt as needed.
2. Place the alternator on the mounting bracket. Secure the
alternator with the bolts. Torque mounting bolts. Refer to
Torque Values
, page 1-9.
3. Install the belt on all engine pulleys except the alternator
pulley for now.
4. Turn the tensioner clockwise. Slip the belt onto the
alternator pulley, then carefully return the tensioner to its
normal position so it puts tension on the belt. Make sure
the belt is centered on the tensioner.
5. Verify tensioner bolt is torqued. Refer to
Torque Values
,
page 1-9.
6. Connect the electrical leads to the terminals as tagged
during removal.
7. Connect the batteries. Close the engine compartment.
8. Install the ECM power fuse.
9. Turn the battery disconnect switch to the ON position.
Check
1. Run engine. Verify reading of voltmeter on front console
is 24 volts or greater. Make repairs as needed.
2. Continue troubleshooting charging system as needed if
replacement of alternator did not correct problem in
charging system.
Starter Replacement
Removal
1. Ensure that the key switch has been in the OFF position
for 2 minutes.
2. Turn the battery disconnect switch to the OFF position.
3. Remove the ECM power fuse.
4. Remove the negative battery cables.
5. Open the engine compartment.
6. Tag and disconnect the electrical leads from the
terminals on the starter.
7. Remove the bolts holding the starter to the mounting
pad. Remove the starter.
FIGURE 3-22
9133
Fo
r
Reference
Only