Edition 2 Chapter 1 Page 1-8
Feb/2013 Maintenance and Service
B. Monthly / 160 Hours:
(1) Radiator Exterior
Clean the radiator fins and through-core cooling passages. Use
compressed air and water in the opposite direction of usual air flow to
push the unwanted material out of the radiator core.
C. Quarterly:
(1) Corrosion Inhibitor
Adjust the cooling system corrosion inhibitor to the correct level after 500
hours of operation.
Do not use a chromate based corrosion inhibitor when the coolant in
the system contains ethylene glycol. Only use non-chromate based
inhibitors. The chromate base inhibitorreacts with ethylene glycol to
make hydroxide. This you know as Green Slime. The slime decreases
the heat movement rate and can cause the engine to be too hot.
D. Semi-Annually:
(1) Cooling System
Clean the cooling systemat 1000 hours or semi-annually whichevercomes
first. Use a radiator cleaning compound and follow the instructions on the
container. Flush the system with clean water and fill it with an ethylene
glycol solution of 50% by volume.
1.6 TRANSMISSION MAINTENANCE
A. Daily Maintenance Check
(1) Before you move the crane, make sure that the level of oil in the
transmission is correct.
(2) Start the engine and let it idle at 1000 to 1500 rpm until the transmission
increases to a temperature of 180° F to 200° F (82.2° C to 93.3° C).
When the engine is at the correct temperature, slowly move the shift lever
through all the gear positions. This moves oil to all parts of the system.
Set the shift lever to the neutral position and set the engine speed at idle
rpm.
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