TM 5-2420-230-24-1
PREVENTIVE MAINTENANCE
Fluid and filter change is necessary to keep the fluid in the system clean. The use of high quality fluids and
filters will insure the removal of contaminants and dissipation of heat.
TOOLS REQUIRED:
Drain pan
Filter wrench (if equipped with spin-on filter)
Shop towels
10" adjustable wrench
Hydraulic jack of a suitable size
Screwdriver
WARNING
FOR OTHER EQUIPMENT, TOOLS OR SAFETY PROCEDURES ALWAYS FOLLOW
THE VEHICLE MANUFACTURER'S PROCEDURES FOR LIFTING AND BLOCKING.
CLEAN UP ALL OIL SPILLS TO AVOID SLIPS AND FALLS.
PARTS REQUIRED:
Specified steering fluid
Specified filter
WARNING
NEVER U S E OLD OR U S E D S E A L S , C OT T E R PINS, R E TA I N E R S OR
CRITICAL FASTENERS. ALWAYS BUY A NEW SEAL KIT. USE ONLY MANU-
FACTURER APPROVED REPLACEMENT PARTS.
ADDITIONAL REFERENCES:
Vehicle Manufacturer's Service Manual
R. H. Sheppard Co., Inc. Maintenance and Troubleshooting Video
PROCEDURE:
1.
Park the vehicle on a clean, dry, solid surface. Set the parking brake, block the rear wheels and place the
transmission in neutral.
2.
Raise the front end of the vehicle until the tires have cleared the surface, using the hydraulic jack.
3.
Tilt the hood or raise the cab using the procedure in the Vehicle Manufacturer's Service Manual.
4.
Place the drain pan under the steering gear to catch the fluid.
5.
Remove the pressure and return lines from the steering gear to drain fluid.
6.
Wipe off the area around the reservoir cap with a clean towel. Remove the bolt from canister type
reservoirs. Remove the cover.
7.
Remove the filter from the canister and discard. If a spin-on filter is used, remove the filter using the
filter wrench and discard.
IMPORTANT:
Discard only the filter element. The other parts may be used to retain the filter in the
reservoir assembly.
8.
Wipe the inside of the reservoir canister clean with a clean shop towel.
9.
With the hoses disconnected, slowly turn the steering wheel from full left to full right three or more times
to purge oil from the steering gear. Make sure the drain pan will catch the oil from the steering gear.
10. Attach the pressure and return lines to the steering gear and tighten.
11. Install a new filter element in the reservoir. Follow the directions on the filter element and refer to the
Vehicle Manufacturer's Service Manual.
K-27
