3-9
Published 11/26/2014, Control # 447-05
RT770E SERVICE MANUAL ELECTRICAL SYSTEM
Table 3-3
AMP Crimping Tool Table
Table 3-4
Deutsch Extraction Tool Table
Table 3-5
Deutsch Crimping Tool Table
Alternator/Charging System
Troubleshooting
Anytime there is a problem with the charging system the
batteries, alternator and cables should be tested.
Required Tools
The following is a list of tools needed to diagnose the
charging system:
Visual Check
• Belts: tight, in good condition, not frayed, cracked or
glazed
• Pulley: tight, aligned with other pulleys, not glazed
• Alternator mounting bolts and wiring connections: clean
and tight, no signs of heat damage
• Batteries: terminals and cables, clean and tight, no
corrosion or signs of heat damage
• Check alternator fuse, if the Alternator Charge Lamp is
illuminated on the steering column display while the
engine is running.
4 to 9 circuit (in-line connectors) 453300-1 N/A
15 circuit (in-line connectors) 458944-1 N/A
Description AMP Part Number Manitowoc Part Number
Description AMP Part Number Manitowoc Part Number
Tool Die Tool Die
14 to 12 gauge wire 69710-1 90145-1 9999100177 N/A
10 to 8 gauge wire 69710-1 90140-1 9999100177 9999100178
4 to 9 circuit
(in-line connectors)
69710-1 90306-1 9999100177 N/A
15 circuit
(in-line connectors)
90299-1 -- N/A --
Description Deutsch Part Number Manitowoc Part Number
12 gauge wire 114010 9999100194
16 gauge wire 0411-204-1605 9999100195
8-10 gauge wire 114008 7902000012
4-6 gauge wire 114009 7902000009
Description Deutsch Part Number Manitowoc Part Number
12, 14, 16, 18, 20 gauge wire HDT-48-00 9999100808
4, 6, 8, 10 gauge wire HDT04-08 9999100842
Equipment Example
Manitowoc
Part No.
Digital Multimeter Fluke
® 177 9999101763
Carbon Pile Load
Test er
Autometer
® SB5 9999101765
Current Clamp Meter Fluke
® 336 9999101764