Table 3-1. Operator/Crew Troubleshooting Table - CONT
TEST OR INSPECTION
HYDRAULIC SYSTEM - CONT
Check for external leaks at hydraulic fittings/joints.
SEMITRAILER STEERING DOES NOT TRACK PROPERLY
Check that steering wedge is properly fitted and secure in the tractor fifth wheel.
Check for hydraulic leaks at steering cylinder, fittings, joints, and hoses.
Check that steering pressure indicator light is not lit.
If lit, recharge hydraulic pressure to steering circuit by starting APU (para. 2-16) and operating
STEERING PRESSURE INDICATOR DOES NOT LIGHT WHEN PRESSURE IS LOW
Check that power is supplied from tractor to running lights.
Couple tractor/semitrailer (para. 2-24). Turn on semitrailer running lights. If lights do not come on,
check electrical connector for bent or missing pins and check electrical cable for pinched or broken
lines or other damage. If damage is found, notify unit maintenance.
ALL LAMPS DO NOT LIGHT
Check lights on tractor, including turn signals and stop lights.
If towing vehicle lights do not light, notify unit maintenance.
If cable is not properly connected, reconnect cable (para. 2-24).