Table 2-1. Operator Preventive Maintenance Checks and Services CONT.
Item to be
At operating temperature, the engine
coolant is hot and under pressure.
Steam can cause personal injury.
Check the coolant level only after the
engine has been stopped and the fill
cap is cool enough to touch with your
Remove the fill cap slowly to relieve
Cooling system conditioner contains
alkali. Avoid contact with the skin and
eyes to prevent personal injury.
Check that coolant is present in radiator
sight gauge. If coolant is not present, add
Coolant level is low.
Check radiator and hydraulic oil cooler for
damage, signs of leakage, and debris that
can restrict air flow.
Radiator or hydraulic
oil cooler is damaged,
leaking, or debris is
restricting air flow.
a. Check for loose or frayed wires and
b. Check for crimped, torn, or damaged
Wires are frayed or
loose or connectors are
Hydraulic hoses are
crimped, torn, or