EP Equipment CPD30L1-B, Руководство по обслуживанию

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52
REV. 05/2020
OPERATING SYSTEM
6
6.2 Horn Button
Push button switch is the switch that makes
the dynamic and static contacts ON or OFF to
achieve the switching of circuits through push-
button drive mechanism.
6.2.1 Removal and Installation
See Section 6.1 .
6.2.2 Faults and Causes
- Install according to the reverse order of rem-
oval.
When removing or installing, please pay attent-
ion to protect the cables from being damaged.
Installation
CAUTION
-
-
-
-
-
Unscrew the four bolts (1,Fig 3131-30002SM)
and remove the steering column (5) from the
chassis;
Remove the steering shaft ( 20, Fig3131-
30001SM) and bearing (19) from the bracket
(16);
Remove the five tubings on the redirector (21);
Unscrew the four bolts (22) and remove the
redirector (21) from the bracket (16);
Unscrew the four nuts (2, Fig3131-30002SM)
and four bolts (3), remove the redirector
bracket (16, Fig3131-30001SM) from the
chassis.
1
Fault Operate the horn switch, but the
vehicle responds with no action
Cause
a. Horn switch spring blocked;
b. Horn switch guide rod deformat-
ion, and cannot contact with the
static contact on steering
column;
c. Static contact circuit not
conducted.
2
Fault Horn switch not operated, but the
vehicle responds with action
Cause
Horn switch spring blocked or
failure, and the static contacts on
guide rod and steering column are
keeping contact.