SkyTrak 6036 Service Manual User Manual

Page 259

Section 10.

Electrical System

Model 6036 S/N 9B0499 and Before

10-65

Trouble

Probable Cause

Remedy

Reference

Warning Devices—HORN

Horn doesn't
sound when horn
button is pressed.

Horn sounds
continuously
without horn
button pressed.

1. No voltage at horn (7, Fig.

10.5); broken wire or circuit
breaker (11) doesn't reset.

2. Corroded electrical ground

at horn mounting.

3. Loose or broken wiring.

4. Defective horn switch (49,

Fig. 10.5).

5. Defective horn (7, Fig.

10.5).

Replace wiring and circuit
breaker as required.

Repair electrical ground.

Repair or replace wiring.

Test horn switch for continuity
with horn button pressed;
replace switch if open.

Remove horn from forklift and
test horn using short heavy
gauge wires connected to a
fused or protected 6 A
minimum output, 12 Vdc
power supply.

See para. 10.2.1

Warning Devices—BACKUP ALARM AND REVERSE SWITCH

1. Defective horn switch (49,

Fig 10.5).

2. Short circuit in wiring.

Test horn switch for continuity
without horn button pressed;
replace switch if closed.

Determine and repair cause of
short circuit.

See para. 10.2.1

Backup alarm
doesn't sound
with travel select
lever in REVERSE.

1. No voltage at backup

alarm (16) Fig. 10.5);
broken wire or circuit
breaker (11) doesn't reset.

2. Defective reverse switch

(53, Fig. 10.5).

Replace wiring and circuit
breaker as required.

Replace reverse switch.

See para. 10.2.2
and 10.4

See para. 10.2.2

Backup alarm
sounds with travel
select lever in
NEUTRAL AND
FORWARD.

1. Short circuit in wiring.

2. Defective reverse switch

(53, Fig. 10.5).

Determine and repair cause of
short circuit.

Test and replace reverse
switch as required

See para. 10.3

See para. 10.7.6

Park lock warning
bulb doesn't light
when park lock
brake switch is UP
(engaged).

1. Park lock warning bulb (45,

Fig 10.5) is burned out.

2. Loose or broken wiring.

3. Defective park lock brake

switch (46, Fig. 10.5).

Replace park lock warning
bulb.

Repair or replace wiring.

Test park lock brake switch
for continuity and replace
switch if open in the engaged
position.

See para. 10.7.4

Warning Devices—PARK LOCK WARNING LIGHT