TM 5-3805-281-24-2
Cooling System
INSTALL WATER MANIFOLD
1. Install a new O-ring into water manifold O-ring bore.
Lubricate O-ring with grease to ease bypass pipe
installation. Install bypass pipe (C) into bore of water
manifold (B). Be careful not to cut O-ring.
2. Install water manifold assembly. Be sure water
manifold is properly positioned on spring pin (in front
face of cylinder head) and that bypass pipe is fully
seated in water manifold and water pump cover bores.
3. Apply LOCTITE 242 Thread Sealer to water
manifold-to-cylinder head cap screw threads
360 degrees (except for the leading one to three
Installing Water Manifold
threads). Tighten water manifold cap screws to 35 Nm
(25 lb-ft).
4. Install thermostats and cover. (See INSTALL
THERMOSTATS, earlier in this group.)
LOCTITE is a trademark of Loctite Corp.
RG,RG34710,1250
1923OCT971/1
SERVICING OF ENGINE COOLANT HEATER
Refer to CTM67, Engine Accessories, Group 25, for
service of the block-type engine coolant heater.
RG,RG34710,1251
1923OCT971/1
