Assemble
CAUTION
The transition section is equipped with a clipper
relief valve. DO NOT disassemble or adjust the
clipper relief valve. Removing the tamper proof
cap and disassembling and/or adjusting the clip-
per relief valve will void and/or cancel any warran-
ties. Contact your dealer for more information.
Install emergency load lowering valve, with new O-
ring installed, into transition control valve section.
Tighten emergency load lowering valve to 14
±1 N•m (120 ±12 lbf in).
Install
1.
Install four tie rods into the transition control
valve section.
2.
Install lift/lower control valve section. See Lift/
Lower Control Valve Section, Install.
3.
Install the tilt control valve section. See Tilt
Control Valve Section, Install.
4.
Install the auxiliary control valve section(s).
See Auxiliary Control Valve Section, Install.
5.
Install the outlet control valve section. See Out-
let Control Valve Section, Install.
6.
Install the four nuts on the tie rods of the outlet
control valve section. Tighten the three
13 mm (½ in.) nuts to 24 ±2 N•m (212
±18 lbf in) and the 15 mm (9/16 in.) nut to 45
±4 N•m (33 ±3 lbf ft). See Figure 6.
INSTALL
WARNING
The main control valve weighs approximately
30.5 kg (67 lb). Use a lifting device capable of lift-
ing the main control valve, to avoid the possibility
of injury to personnel.
1.
Lower the control valve enough to allow the
cowl wiring harness to be connected to the
lower PPRV solenoid connectors as noted dur-
ing removal. See Figure 4.
2.
Install three inserts into holes on cowl where
the control valve will be mounted. While sup-
porting the main control valve in place on the
cowl, install three mounting capscrews and
washers through the front of the cowl into the
control valve. Tighten the capscrews to
19 N•m (14 lbf ft). See Figure 11.
3.
Coat new O-rings with clean hydraulic oil. In-
stall O-rings between transition control valve
section and SCU.
4.
Position the SCU under the steering shaft and
raise the SCU to engage the steering shaft.
When the steering shaft is completely engaged,
position the SCU against the main control
valve, and install two mounting capscrews.
Tighten capscrews to 45 to 55 N•m (33 to
41 lbf ft). See Figure 12.
1. COWL
2. INSERT
3. WASHER
4. MOUNTING CAPSCREW
5. MAIN CONTROL VALVE
6. FRAME
Figure 11. Main Control Valve Installation
Main Control Valve Repair
2000 SRM 1899
16
