7.
Put caps or plugs on disconnected hoses, tubes and
fittings to prevent contamination.
8.
Remove steering wheel from machine:
A. Remove cover from steering wheel.
B. Loosen and remove nut that secures steering
wheel to steering control valve. Remove flat washer
from control valve shaft.
C. Slide steering wheel and foam collar from steer-
ing control valve.
9.
Support steering control valve to prevent it from fal-
ling during removal.
Figure 54
10.Loosen
and remove four (4) cap screws that secure
steering control valve to machine.
11.
Remove steering control valve from machine.
Installation (Fig. 53)
Position steering control valve to frame. Secure
5
1.
steering control valve to steering column with four (4)
cap screws.
4
1
2.
tubes and fittings.
Remove caps and plugs from disconnected hoses,
3
2
3.
Lubricate new o–rings and connect hydraulic hoses
and tubes to steering control valve (Fig. 55). Use labels
placed during the removal process to properly install
hoses and tubes to steering control valve. Tighten con-
nections.
Figure 55
Hose from hydrostat (Port P)
Tube to oil cooler Tee fitting (Port T)
Tube to lift control Tee fitting (Port E)
Hose to steering cylinder barrel end (Port R)
Hose to steering cylinder rod end (Port L)
4.
Slide foam collar and steering wheel onto steering
1.
2.
3.
4.
5.
control valve shaft and secure with flat washer and lock
nut. Torque lock nut 20 to 26 ft–lb (27 to 35 N–m). Install
cover.
5.
tion in the Service and Repairs section of Chapter 3 –
Engine).
Install fuel tank to machine (see Fuel Tank Installa-
6.
quired (see Traction Unit Operator’s Manual).
Check hydraulic fluid level in tank and adjust as re-
7.
system (see Charge Hydraulic System in this section).
Operate machine functions slowly until air is out of
8.
and fittings are not contacted by anything and that there
are no leaks.
Rotate steering wheel to verify that hydraulic hoses
Sand Pro & Infield Pro 3040/5040
Page 4 – 65
Hydraulic System
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| Document Type | Service Manual |
| Language | English |
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