SkyTrak 8042 Service Manual - Manual (Page 509)

Hydraulic System
8.94 Model 8042, 10042, 10054 Legacy Rev. 10/03
3. Unlock and open the rear door. Allow the hydraulic
fluid to cool.
4. To remove the service brake valve, both the lower
dash panel and the front dash panel must be
removed. Refer to Section 4.5, “Cab Removal.”
5. Label or otherwise mark the hydraulic hoses on the
top (1) and bottom (2) of the service brake valve (3).
Disconnect and cap all hoses, fittings, etc.
Note: When the outlet fittings (4) on the brake valve (3)
are removed, a conical spring (5), a wave plate (6) and
an orifice (7) may fall out. If replacement parts are
required, contact the factory.
6. Remove the four capscrews (8) and four
lockwashers (9) mounting the service brake valve
(10) to the steering column support.
Note: DO NOT disassemble the service brake valve.
The service brake valve is not serviceable and must be
replaced in its entirety, if defective.
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.
MA7050
1
2
3
4
5
6
7
MA7040
8
9
10