5-3Z Master Z597 Diesel Service Manual
5
ENGINE
DANGER! Discharge of hot pressurized coolant or
touching hot radiator and surrounding
parts can cause severe burns.
• Do not remove radiator cap or open drain petcock
when the engine is hot. Always allow the engine to
cool at least 15 minutes or until the radiator cap is cool
enough to touch without burning your hand before
removing the radiator cap or opening drain petcock.
• Do not touch radiator and surrounding parts that are
hot.
6. With a drain funnel and pan, open the radiator
petcock, located at the lower right hand corner of
the radiator, and drain the coolant out of the radiator
(Fig. 226).
Fig 226 DSC-2413
7. At the left rear of machine, remove the tie strap and
the clamp holding the engine inlet cooling hose and
the overow hose to the radiator (Fig. 227).
Fig 227 DSC-2374
Fig 228 DSC-2425
8. At the right rear of machine, loosen and remove the
hose clamp on the engine inlet cooling hose at the
radiator (Fig. 228). Lower the hose and drain any
coolant that is left in the hose.