Snorkel TB50 - Manual (Page 73)

TB42/TB50 – 0074923 69
Chapter 11 – Troubleshooting
The troubleshooting chart may be used to locate and
eliminate situations where machine operation may be
interrupted. If the problem cannot be corrected with the
action listed, stow the machine and remove it from ser-
vice. Repairs must be made by qualified maintenance
personnel.
Troubleshooting Chart
Symptom Possible Cause Corrective Action
Engine will not start from lower or
upper controls.
Out of fuel. The engine will crank,
but will not start.
Add correct type of fuel. Try starting
the engine for 20 seconds and then
let the starter motor cool for 60 sec-
onds. Repeat as necessary.
Kubota engines – If engine will not
start after 4 cycles, refer to Fuel
Line Air Bleeding at the end of this
chart.
Engine is cold. Cummins/Ford/GM engine – plug
the block or radiator in-line heater
into a 125 Volt AC, 600 watt source
eight hours before starting the en-
gine.
Deutz engine – Hold the manifold
heater switch on for about a minute
before starting the engine. Hold the
switch on until the engine starts.
High engine temperature. Let engine cool. Do not restart the
engine until the cause of overheating
has been corrected.
Low oil pressure. Do not try to start the engine until
the cause of low oil pressure has
been corrected. The engine can be
restarted with low oil pressure, but
it will only run a few seconds before
it shuts off again.
Clogged air filter. Visually check air filter gauge.
Engine oil too thick for ambient
temperature.
Refer to Chapter 2 for correct oil
weight.
Dual fuel machines. The fuel switch
on the lower control panel is set
incorrectly. The engine cranks, but
will not start.
• Place the fuel switch on the
lower control panel in the prop-
er position for the fuel being
used.
• Make certain there is fuel in the
fuel tank.
• If using LPG make certain that
the fuel shut-off valve is open.
• Try starting the engine for 20
seconds and then let the starter
motor cool for 60 seconds. Re-
peat as necessary