Terex TR60 Maintenance Manual page 448

Braking System - Directional Control Valve
Section 250-0090
INSTALLATION
Note: Tighten all fasteners to torques listed in
Section 300-0080, STANDARD BOLT AND NUT
TORQUE SPECIFICATIONS.
Note: Tighten all hydraulic lines fitted with ORFS
connections, as described in Section 250-0000,
BRAKING SYSTEM SCHEMATIC. Renew all 'O' rings
where used.
1. Position the directional control valve assembly to
the mounting plate on the underside of the cab floor
and secure with mounting hardware.
2. Remove blanking caps from hydraulic lines and
connect to directional control valve as noted during
removal.
3. Check oil level in the steering and brake control
tank and add oil if required. Refer to Section
220-0040, STEERING AND BRAKE CONTROL TANK
for correct fill level, and, Section 300-0020,
LUBRICATION SYSTEM for oil specification.
4. Remove wheel blocks, start the engine and bring
hydraulic oil to operating temperature.
4
5. Check directional control valve and hydraulic line
connections for leaks and tighten as required.
6. Shut off engine and make sure a full service brake
application is made followed by a parking brake
application.
7. Repeat all braking and engine shut down cycles
several times and check for appropriate application/
release cycle several times.
8. Check all connections again for leaks and tighten
as required.
MAINTENANCE
Inspect the directional control valve regularly for any
signs of leakage or damage and replace 'O' rings or
complete assembly as required.
SPECIAL TOOLS
There are no special tools required for procedures
outlined in this section. Refer to Section 300-0070,
SERVICE TOOLS, for part numbers of general
service tools required. These tools are available from
your dealer.
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SM 1226 2-98