Terex RT700 - Starter Troubleshooting

TROUBLESHOOTING
LOW OR NO ALTERNATOR ELECTRICAL OUPUT
CAUSE REMEDY
Field coil open.......................................................................................Replace or repair alternator.
Brushes dirty, worn, pitted, or burned...................................................Replace or repair alternator.
Alternator regulator defective ...............................................................Replace regulator.
Alternator to regulator field leads
open or connections loose .....................................................................Tighten connections or replace field leads.
ALTERNATOR OVERHEATS
CAUSE REMEDY
Loose or worn belt or pulley .................................................................Adjust belt, or replace worn belt or pulleys.
Misalignment.........................................................................................Inspect mounting brackets and tension adjusting
arm for looseness. Tighten or replace parts as
required.
STARTER INOPERATIVE
CAUSE REMEDY
Commutator dirty..................................................................................Clean commutator.
Brushes worn.........................................................................................Replace brushes.
Starter relay malfunctioning..................................................................Repair or replace relay.
Pinion spring broken or weak................................................................Replace or repair starter.
Frame housing defective .......................................................................Replace or repair starter.
RT700 Series Page 5 - 11 Issued: August 2003
STARTER