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Table 2-4. Tow Point Lift System Troubleshooting | Up
TM-5-3895-373-34 Paving Machine Bituminous Material Crawler Mounted Diesel Engine Driven Manual | Next
Table 2-4. Tow Point Lift System Troubleshooting - Continued |
TM 5-3895-373-34
Table 2-4. Tow Point Lift System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
TOW POINT CYLINDERS DO NOT OPERATE-Continued.
WARNING
Hydraulic oil can be moderately flammable and can be an irritant to skin, eyes, and
respiratory system. Avoid prolonged exposure. Eye protection and rubber gloves must be
worn when working with hydraulic oil.
Step 3.
Install hydraulic system tester at inlet (1) for flow test per TM 9-4940-468-14. Open center top right
and center top left access doors per TM 5-3895-373-10. Open left access door per TM 5-3895-373-
10. Check maximum flow rate at tow point flow divider outlet to control valve inlet (1).
If flow is less than 1 gpm (3, 8 l/min) or more than 2 gpm (7, 6 l/min) replace tow point flow
divider per paragraph 2.55 and repair per paragraph 2.49.
Step 4.
Disconnect hydraulic system tester per TM 9-4940-468-14. Reconnect all hydraulic lines. Close left
access door per TM 5-3895-373-10. Close center top left and center top right access doors per TM
5-3895-373-10.
2.
ONE TOW POINT CYLINDER FAILS TO OPERATE.
Replace tow point control valve per paragraph 2.55 and repair per paragraph 2.46.
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