Snorkel TB120 2001 - Manual (Page 74)

11. TROUBLESHOOTING
11 - 1 P/N 0191914
All of the actions described in this chapter may
be performed by a TB120
operator -- a trained
and qualified service technician is not required.
Any problem that cannot be fixed by actions
listed below should be referred to a trained and
qualified TB120
service technician.
The first column, of the following chart, lists
some common problems encountered by
TB120 operators. The second column lists
some of the causes for each problem. The third
column lists remedies.
TB120 OPERATOR’S TROUBLESHOOTING CHART
PROBLEM CAUSE REMEDY
Engine will not start from the
ground-control box. 1. Switches are set wrong.
(Engine will not crank.) A. Set BATTERY switch to ON.
At the ground-control box:
B. Set MASTER KEY SWITCH to OFF.
C. Pull EMERGENCY STOP out (on).
D. Set SELECTOR SWITCH to GROUND.
E. Set MASTER KEY SWITCH to ON for 5
seconds then turn MASTER KEY SWITCH to
START.
2. The MAIN SYSTEM circuit
breaker, on the ground-
control box, has tripped.
(Engine will not crank.) Push the MAIN SYSTEM (25) button back in.
If the button pops out again, refer the problem
to a qualified service technician.
3. Out of fuel. (Gasoline or
diesel engine cranks but will
not start.) Add fuel to tank then alternately crank engine
for 20 seconds and let starter motor cool for
60 seconds (20 on / 60 off).
4. LPG OPTION.
FUEL switch on the ground-
control box is set wrong.
(Engine cranks but will not
start.)
A. Set FUEL switch (ground-control box) to
L.P.-GAS or GASOLINE.
B. Check the fuel gauge, on top of the tank, to
see if there is fuel in tank.
C. For L.P.-GAS only: Check to see that fuel
valve, on top L.P. tank, is open.
D. Alternately crank engine for 20 seconds
then let starter motor cool for 60 seconds.
Engine will not start from the
platform-control box. 1. Stepping on foot switch.
(Engine will not crank.) Be sure you are not stepping on the foot
switch, or that the foot switch is not “blocked”
in any way, while you are trying to start the
engine.
2. Switches are set wrong.
(Engine will not crank.) A. Set BATTERY switch to ON.
At the ground-control box:
B. Set MASTER KEY SWITCH to ON.
C. Pull EMERGENCY STOP out (on).
D. Set SELECTOR SWITCH to PLATFORM.
At the platform-control box:
E. Set the ANTI-RESTART MASTER
SWITCH to OFF.
F. Pull the EMERGENCY STOP button up.
G. Turn the ANTI-RESTART MASTER
SWITCH to ON.
H. Turn the ANTI-RESTART MASTER
SWITCH to START.
11. TROUBLESHOOTING