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5
TROUBLESHOOTING GUIDE
Troubleshooting should be performed by a trained technician. Landoll Corporation is not responsible for
equipment that is improperly maintained. Contact an authorized Landoll Service center for servicing.
5-1 ELECTRICAL
Most electrical system problems show up as a burned out light or fuse, or inoperative electrical compo-
nent. Wiring, grounds, or components may be at fault. Locate the symptom in this section that best identi-
fies your electrical problem. Check out each possible problem under that symptom. If the problem cannot be
located, see an automotive electrical specialist. For maintenance procedures, see
Section 4-5.
SYMPTOM
PROBLEM: REMEDY
NO LIGHTS
Fuse blown:
replace fuse.
Connection at plug-in:
tighten connection.
Broken or corroded wires:
replace wire.
Ground wire loose:
clean and tighten ground.
Dirty or corroded 7-way connector or receptacle:
Clean w/ wire
brush or replace connector or receptacle.
LIGHTS FLICKERING
Wires shorted or loose:
locate, insulate, replace, or tighten.
LIGHTS DIM
Voltage difference between trailer & tractor:
tractor supply wire
or circuit components are too low a capacity. - Enlarge wire or com-
ponent. Match bulbs with tractor voltage.
LIGHTS BRIGHT & BURN OUT
Ground wire disconnected:
connect ground wire.
Voltage difference between trailer & tractor:
tractor supply wire
or circuit components are too low a capacity. - Enlarge wire or com-
ponent. Match bulbs with tractor voltage.
FUSE BLOW-OUT OR CIRCUIT
BREAKER TRIPPING
Vibration:
locate source of vibration and repair.
Short circuit:
replace fuse and try all accessories. If fuse blows
right away, locate short and repair.
LAMP BULB BURN OUT
Vibration:
locate source of vibration and repair.
Short circuit:
replace fuse and try all accessories. If fuse blows
right away, locate short and repair.
Loose connection:
check lamp sockets and ground connections.
Intermittent short:
locate short and repair.
Improper voltage:
check voltage regulator output.
5-1
Содержание 330B
Страница 3: ...MODEL 330B SEMITRAILER OPERATOR S MANUAL PURCHASED FROM DATE ADDRESS PHONE NO SERIAL NO i ...
Страница 8: ......
Страница 12: ......
Страница 20: ...3 8 Figure 3 3 Steps for Loading and Unloading ...
Страница 26: ...3 14 Figure 3 7 Rear Impact Guard System ...
Страница 34: ...4 6 Figure 4 2 330B Wiring Diagram ...
Страница 35: ...4 7 Figure 4 3 Remote Wiring Diagram ...
Страница 40: ...4 12 Figure 4 6 Examples of Camber Figure 4 7 Checking Axle for Bend ...
Страница 44: ...4 16 Figure 4 11 Axle and Brake Assembly ...
Страница 54: ......
Страница 63: ...NOTES 5 9 ...
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