Lull 944E-42 Service Manual User Manual download pdf (Page 113)

100

101

4.9

Model 644E-42/944E-42 Rev. 6/04

Cab and Covers

12. Start the engine and check the operation of steering

system. Check for hydraulic fluid leaks. Check the

hydraulic fluid level in the tank and add fluid as

required.

13. Install the lower dash panel (9). Secure in place

using five capscrews and flat washers. Torque to

7 - 10 lb-ft (9,5 - 10,6 Nm).

4.3.4 Steer Select Valve

With the three-mode Steer Select Valve, the vehicle can

be used in the front-wheel, four-wheel or crab steering

modes. The steer select valve (10) controls the direction

of hydraulic fluid flow to the steering cylinders mounted

on each axle. The steer select valve (10) is located inside

the front dash on the upper left side.

The steer select valve (10) is not serviceable and must be

replaced with a new part if defective.

a. Steer Select Valve Removal

1. Park the vehicle on a firm, level surface, fully retract

all hydraulic cylinders, ground the attachment (if

any), place the travel select lever in the (N)

NEUTRAL DETENT position, engage the park brake

switch and shut the engine OFF.

2. Unlatch and open the engine cover. Allow the

hydraulic fluid to cool.

3. Remove the front (7) and lower dash panels (9).

4. Through the front dash opening (11), disconnect and

label the drain hose (12) on the top of the steer

select valve (13). Cap the fitting on the top of the

valve and plug the drain hose.

5. Label the remaining hydraulic hoses on the steer

select valve.

WARNING: Hydraulic oil leaking under

pressure can penetrate the skin and cause

severe personal injury. DO NOT use your hand

or any part of your body to check for hydraulic

leaks. When checking for hydraulic leaks, wear

safety glasses and gloves to help provide

protection from spraying hydraulic oil. Use a

piece of cardboard or paper to search for leaks.

MU3950

WARNING: Hot hydraulic fluid can

cause severe burns. Wait for hydraulic fluid to

cool before servicing any hydraulic

component.

WARNING: Escaping hydraulic fluid

under pressure can penetrate the skin, causing

death or serious injury. Relieve hydraulic

pressure before servicing any hydraulic

component.

MU4010

1 2 ... 108 109 110 111 112 113 114 115 116 117 118 ... 845 846

Comments to this Manuals

No comments

Lull 944E-42 Service Manual User Manual Page 113

Comments to this Manuals

Related products and manuals for Special machinery Lull 944E-42 Service Manual