Terex TA30, Руководство по обслуживанию

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Section 100-0020
11
SM 1975 4-00
Chassis - Articulation and Oscillation Pivot
5. Remove bolts and lockwashers securing lockplate
at the thrust nut and remove the lockplate.
6. Using special tool, which can be manufactured as
shown in Fig. 11, tighten thrust nut until there is no end
float/clearance at thrust face of either bush. Slacken
thrust nut until pin of the lockplate can be inserted in
the first available hole in the thrust nut.
7. Secure lockplate with bolts and lockwashers.
Torque tighten bolts to 75 Nm (55 lbf ft).
8. Lower jack and remove all blocking from the front
wheels.
MAINTENANCE
The end float/clearance at the thrust face of the
oscillation bushes should be checked every 250 hours.
Any clearance found must be removed by adjustment
of the thrust nut, as described under 'Thrust Nut
Adjustment'.
Note: A practical method of establishing the effective
adjustment of the thrust nut is to use movement of the
machines body in the raised position. Move the body
from fully raised to almost fully raised while watching
the effect of this action on the frame and pivot
arrangement. Any slackness between the thrust nut
and thrust faces will be clearly visible movement of the
frame.
Very little other maintenance of the articulation and
oscillation pivot is required other than to stress the
importance of correct lubrication of the assembly.
Lubricate the oscillation bushes, articulation bearings/
pins and the pivot driveshaft bearings in accordance
with Section 300-0020, LUBRICATION SYSTEM but
note the following precautions:-
Note: The oscillation bushes are lubricated every 10
to 15 hours.
Note: DO NOT exceed the lubrication schedule for the
pivot driveshaft bearings i.e. 4 shots of a hand grease
gun every 250 hours.
SPECIAL TOOL
The special tool required for removal and installation of
the thrust nut, can be manufactured, as shown in
Fig. 11.
chips, dents, burrs or deformity on any rotating mass
creates vibration and excessive wear during any
operation.
13. Connect pivot - centre axle driveline (Fig. 2) at
brake yoke using bolts, lockwashers and caps as
noted at 'Removal'.
14. Position parking brake calliper (7, Fig. 3) in
position and install left hand torque plate (10, Fig. 3),
front and rear wedge plates (8 & 9, Fig. 3) and secure
in place with bolts (6, Fig. 3), washers (11, Fig. 3) and
locknuts (12, Fig. 3).
15. Position guard (4, Fig. 3), if fitted, and secure to
frame using bolts (1, Fig. 3), lockwashers (2, Fig. 3)
and nuts (3, Fig. 3).
16. Remove all protective plugs and connect all air and
hydraulic lines and other attachments disconnected in
preparation for separation of front and rear frames.
17. Fill hydraulic oil tank with hydraulic oil, as specified
in Section 300-0020, LUBRICATION SYSTEM.
18. Place the battery master switch in the on position,
start the engine and allow air pressure in the tanks to
build up to correct operating pressure. Check air and
hydraulic lines for leaks. Tighten line fittings as
required.
19. Adjust parking brake as shown in Section
170-0010, PARKING BRAKE AND MOUNTING.
20. Remove all blocking from the road wheels.
THRUST NUT ADJUSTMENT
1. Position the vehicle in a level work area, apply the
parking brake and switch off the engine.
2. Block all road wheels and place the battery master
switch in the 'Off' position.
3. Open drain cocks on air tanks to drain air pressure
from the tanks. Close air tank drain cocks when air
has exhausted from the air tanks.
4. Position levelling jack under centre front portion of
the front frame and raise the jack to ensure both
frames are parallel.
Courtesy of Machine.Market