Draining/Refilling Cooling System - Gehl RT175 Operator's Manual

Maintenance

Draining/Refilling Cooling System

1. Park the machine on a level surface.
2. Perform the "Mandatory Safety Shutdown
Procedure" on page 16.
3. Wait until the engine has cooled. See
"Maintenance and Service Safety Practices" on
page 21.
4. Open the engine cover. See "Engine Access" on
page 103.
WARNING
Do not remove radiator cap when the coolant is
hot. Serious burns may occur.
5. Slowly loosen radiator cap (P, Fig. 91) and allow
pressure to escape. Remove cap.
P
Fig. 91 – Radiator Cap
6. Position a suitable collection container, with a
minimum capacity of 15 L (4 gals.) underneath
the radiator.
IMPORTANT:
Dispose waste coolant according to
environmental laws. DO NOT pour coolant onto the
ground or down a drain.
7. Access radiator drain plug (X, Fig. 92) through
access hole (Y) in the frame underneath the
radiator. Using an allen wrench, remove radiator
drain plug (X) and allow the coolant to drain into
the container.
918468/EP0313
Fig. 92 – Radiator Drain Access
8. Replace the radiator drain plug and tighten
securely.
9. Fill the radiator with coolant.
NOTE:
Use a low-silicate ethylene glycol-
based coolant, mixed with quality water and
supplemental coolant additives (SCAs) suitable
for heavy-duty diesel engines. See "Dimen-
sions" on page 32 and the engine operation
manual for additional information.
10. Reinstall radiator cap and tighten securely.
11. Start and run the engine until it reaches operating
temperature.
12. Check the coolant level according to "Checking
Coolant Level" on page 107.
108
X
Y
Printed in U.S.A.