SRT45 Off-Highway Truck
8-9
Safety, Operation and Maintenance Manual
noises.
Engine Air Cleaners - Check air cleaner
piping, hoses and clamps. Change or clean
air cleaner element only when the color of
mechanical air resistance indicator turns
blue to red. Service vacuator valve daily.
Inspect and remove any obstructions from the
vacuator valve lips. Valve lips should be open
and pliable with engine stopped.
Note:
Service air cleaners more often under
extremely dusty operating conditions.Radiator
Header Tank - Check coolant level and add if
low. Fill radiator header tank with coolant until
coolant reaches the bottom of the filler neck
and holds at that level.
Note
: Any time a signicant amount of coolant
is added, the DCA4 concentration MUST be
checked. If the concentration is low, engine
damage will result. Conversely, over-inhibiting
antifreeze solutions can cause silicate dropout.
Stee rin g, b rak in g an d li fti ng s yst em s-
Check for correct operation of all systems
beforeoperating the truck.
Steering hydraulic tank lter - Check steering
lter restriction warning indicator with the truck
empty,brakes released, oil at normal operating
temperature, engine operating at 1 500 r/min
and while turning the steering wheel at one
turn/sec. If the warning indicator illuminates,
the lter element should be replaced.
Replace the filter element,If the warning
indicator illuminates.
Fuel pre-lter - Discharge water and impurities.
Refer to Chapter 14 'Installation of Fuel Tank
and Pipeline'
，
in the Maintenance Manual.
After first 150 hours of operating new or
rebuilt components.
Transmission - Drain oil, replace filters and
rell.
Differential - Drain oil and rell.
Planetaries - Drain oil and rell
Lubrication and Servicing
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