TM-9-2320-280-34

TRUCK, UTILITY: M998 SERIES

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE

JANUARY 1996

TM-9-2320-280-34 - Page 110 of 1258

TM 9-2320-280-34

3 - 22.

ENGINE REMOVAL (6.2L) (Cont ’d)

WARNING

Do not remove surge tank filler cap before depressurizing system

when engine temperature is above 190 °F (88 °C).

Steam or hot

coolant under pressure will cause severe burns.

6.

If engine is hot, remove surge tank filler cap (1) by placing a thick cloth over cap (1).

Press down and

turn counterclockwise to its first stop to release internal pressure.

7.

After pressure has escaped, press down and turn cap (1) counterclockwise again and remove.

NOTE

Have drainage container ready to catch coolant.

8.

Open and remove draincock (2) and allow system to drain.

3-48