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© 2013 McNeilus Truck and Manufacturing, Inc.
Contender Front Loader
Operation
4.4.3 Daily Inspection
• Inspect tank daily for damage or leaks.
• Replace (do not repair) damaged or leaking tank.
• Drain pressure before driving.
• Do not weld or repair tank.
• Never exceed stated psi in tank.
• Bursting tank may injure or kill.
4.4.3.1 Tank Integrity
At the start of each shift:
• Inspect Interior: Drain the tank of water and use a
ashlight to look into the tank through the ll opening.
Look for signs of corrosion on the inside of the tank which
may indicate that the tank has been weakened and is in
need of replacement.
• Inspect Exterior without Pressure: If the interior
inspection indicates that the tank is in good condition, ll
the tank with water and inspect the exterior of the tank
thoroughly for signs of leaks. Inspect the ller neck and ll
opening. Look for signs of damage. Look for cracks in the
weld joints or seams. Check that all fastening hardware is
tight and undamaged. Inspect ttings for signs of damage,
cracks, or looseness.
• Inspect Exterior with Pressure: If there are no signs
or exterior leakage, pressurize the tank and repeat the
inspection.
• Depressurize Tank: Release the pressure in the tank as
soon as you are nished inspecting and before moving
the truck.
Replace Defective Tank: Water tanks with any leak or
signicant signs of internal or external damage or corrosion
should be replaced. DO NOT ATTEMPT TO REPAIR.
4.4.3.2 Pressure Regulator Valve
Inspect Pressure Regulator: The pressure regulator is used
to reduce the air brake system pressure to a pressure that
is safe to be in the water tank. It must be undamaged and
in proper working order. Look and listen for signs of leaking.
Ensure that the valve and associated hoses and ttings are
undamaged.
Adjust Pressure to Correct Setting: Many pressure
regulators are set at the factory and cannot be adjusted.
If your water tank has an adjustable regulator, set it to 50
psi. When setting the regulator, always begin by turning the
adjusting knob counterclockwise rst to reduce the pressure
slightly. Then turn it clockwise slowly to bring the pressure up
to the correct setting. Never continue to turn the valve past the
correct setting.
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