Thomas ProTough 300 Screener, Owner'S/Operator'S Manual

Page: 19 / 73

35
4.3C. Engine
Check engine compartment area for
signs of fluid leaks (S0144).
Check the engine oil level. Add mini-
mum API classification CF 10W30 oil if
required (fig. C642).
Check coolant level. Add 50 / 50 mix-
ture of ethylene glycol and water if
required (S0144).
Check and clean radiator cooling fins
for obstructions. Flush with compressed air
and / or water.
Check the air intake hoses and clamps.
Make sure clamps are tight and no hoses
are chaffed.
Check the air restriction indicator.
Replace the element if the indicator shows
red color (S0145).
Check battery terminal connections.
Make sure the battery is fastened securely
to its’ compartment.
C642
S0144
S0144
Do not exceed 40 psi (276 kPa) when
servicing the radiator. Wear safety
glasses when using compressed air.
Wear rubber gloves when working
with coolant.
WARNING
Add coolant
Coolant level
Engine compartment
Never attempt to clean and reuse the
air filter elements. Damage can occur
to the paper pleats causing dirt to enter
the engine.
IMPORTANT
S0145
Air restriction indicator
34
4.3 DAILY SERVICE
4.3B Shaker Spring Bolts
Check the 16 shaker spring mounting
bolts every 4 hours of operation.
Check to make sure the spring rubbers
and spacer blocks are in place (fig. S0013).
Loosen the locking nuts on the bolts.
Use a wrench to make sure the bolts are
hand tight to begin.
Using a torque wrench, start at any bolt
and torque to 180 lbs. / ft. (245 Nm).
Continue in a circular pattern tightening the
other 15 bolts.
Increase torque setting to 200 lbs. / ft.
(272 Nm), repeat the tightening pattern.
Increase torque setting to 225 lbs. / ft.
(306 Nm), repeat the tightening pattern.
Tighten the locking nuts on the bolts
against the frame.
S0013
S0165
Spring assembly
Shaker springs and bolts
Rubber pad
Steel block
When performing maintenance, assure
the engine is off and the ignition key is
removed to prevent accidental start up.
WARNING
4. MAINTENANCE 4. MAINTENANCE