SHOP MANUAL
Ch 5 page 37
HYDRAULIC SYSTEM
The Steering Valve is located on the front front wagon, left-rear.
Removal
Thoroughly clean the steering valve and the area around for any accumulated dirt.
Place a container below the valve to catch any hydraulic fluid spilt during removal.
Mark each hydraulic line for proper location and plug lines as they are removed from
valve.
Unscrew the three bolts securing the valve to the bracket.
Observe that each bolt has a washer between the bracket and the valve body, as well as
under the head.
Lift the steering valve out from the truck for exchange or overhaul. If the valve is ex-
changed, save the connectors attached to the valve body.
Installation
Check the condition of the connector seals, replace if necessary. Apply a light coat of oil
to the hose fitting seals. Install the connectors in valve body, and tighten.
Position the main steering valve on its bracket. Install three securing bolts with washers
both under each head and between the bracket and the valve body. Tighten the bolts.
Clean the flange couplings, and install new o-rings.
Connect the flange couplings, ensure that the hoses are positioned in correct angle, and
tighten the bolts.
Install the remaining smaller hoses.
Replace cover, and install wheel.
Control
Check that all connections are located in the same positions as before removal, and that
all hoses are correctly routed.
Install cover, and fit the four bolts. Tighten the bolts.
Perform startup test procedure. Ref. section: Startup test procedure.
• OSQA / OLSQ
• Amplification value 8
Steering valve
Figure 26
To Next Page
Loading...