Scope of work
Technical specifications
Recommended equipment,
devices and tools
Axle configu-
ration
4х4
6х6
- Hold-down bolts of
the steering unit to the
mounting bracket and the
mounting bracket to the
frame;
Loosening of the fasteners is
not allowed.
Wrenches
22x24,
27x30,
box
wrench
24x27
+
+
- Cranckshaft yoke of
the steering shaft.
The same
Wrenches
14x17,
17x19
+
+
- Control arm pin;
-«-
Box wrench 32x36,
pliers
+
+
Check and, if neces-
sary, adjust:
- Free travel of the
steering wheel;
See the clause “Steering
Wheel” (Free travel check of
the steering wheel)
Endfloatmeter
+
+
- Front wheel toe-in
See the clause “Steering
Wheel” (Adjustment of front
wheel toe-in)
Wrench 17x19, alliga-
tor wrench, scaled rule
L=2000 mm
+
+
Replace the drain filter
of the hydraulic steering
system tank. (Upon every
Maintenance-15 000).
Oil level should be between
high and low set point hairlines
when the plug is unscrewed.
Wrench for hydraulic
brake bleeding, screw-
driver, tank for unit
cleaning, waste cloth
+
+
Brake Systems
Check pressure output
of both brake valve sections
and performance of 4-
circuit protective valve (see
subparagraph
“Pneumatic
Brake System Drive”)
Air pressure on test pressure
gauges should be equal to pres-
sure in the system (according to
cross needle pressure gauge)
Wrench 11x13, test
pressure gauge
+
+
Check the performance
of the pressure-regulator
valve and the trailer brake
relay valve.
Air pressure on test pressure
gauges should be equal to pres-
sure in the system (according to
cross needle pressure gauge)
Wrench 11x13, test
pressure gauge
+
+
Check brake pedal free
play, if necessary, adjust
(see subparagraph “Pneu-
matic Pedal Brake Drive”)
Brake
pedal
free
play
should be 20-30 mm (for trucks
4х4, 6х6).
Brake pedal free play should
be 2.5-5.5 mm (for 4х4, 6х6
cabover trucks)
Wrenches
17x19,
22x24, screwdriver, pli-
ers
+
+
214
Summary of Contents for 4320M
Page 1: ...URAL 4320М TRUCK and its Modifications ...
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Page 159: ...156 Figure 123 Engine Electronic Control Unit Wiring Scheme ...
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Page 177: ...Figure 140 Installation of left and right side safety devices 171 ...
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