TM 5-3805-290-23-2
RIDE CONTROL ACCUMULATOR MAINTENANCE - CONTINUED
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TESTING AND CHARGING - CONTINUED
Testing Ride Control Valve - Continued
12.
Place tool level with the ground (TM 5-3805-290-10).
13.
Lower work tool to ground (TM 5-3805-290-10).
14.
Apply parking brake (TM 5-3805-290-10).
15.
Shut engine down (TM 5-3805-290-10).
16.
If front wheels lifted off ground, ride control valve is defective. Replace ride control valve (WP 0123 00).
Testing Automatic Ride Control Function
1.
Start engine (TM 5-3805-290-10).
2.
Place ride control switch (9) on instrument panel in ON position (TM 5-3805-290-10).
3.
Place transmission in a gear to travel above 6 mph (9.7 km/h) (TM 5-3805-290-10).
4.
Disengage parking brake (TM 5-3805-290-10).
5.
Raise work tool off ground (TM 5-3805-290-10).
6.
Drive machine above 6 mph (9.7 km/h) to activate
automatic ride control (TM 5-3805-290-10).
7.
When automatic ride control is activated, light in cen-
ter of ride control switch will illuminate. When ground
speed falls below 6 mph, light will turn off (TM 5-
3805-290-10).
8.
Stop machine (TM 5-3805-290-10).
9.
Lower work tool to ground (TM 5-3805-290-10).
10.
Engage parking brake (TM 5-3805-290-10).
427-B0787
11.
Turn engine off (TM 5-3805-290-10).
12.
If automatic ride control did not activate (light did not illuminate), ride control pressure switch is defective. Replace ride
control pressure switch (WP 0073 00).
Discharging Ride Control Accumulator
1.
Start engine (TM 5-3805-290-10).
2.
Place ride control switch (9) on instrument panel to ON position (TM 5-3805-290-10).
3.
Lower work tool to ground (TM 5-3805-290-10).
4.
Move lift control valve to FLOAT position. This will relieve all hydraulic pressure in ride control accumulator (TM 5-
3805-290-10).
5.
Stop engine (TM 5-3805-290-10).
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