TM 5-3805-281-24-2
Cooling System
Fixed Fan Drive Pulley (Fan Spacer End)2--Specification
IMPORTANT: Support water manifold on machined
surface and press only on inner
ID ........................................................................ 49.485--49.518 mm
shaft to prevent damage to bearing.
(1.9482--1.9495 in.)
1. On units with a press-fit fan spacer, press spacer
Fan Spacer2--Specification
(E) into pulley (B) flush to 0.5 mm (0.020 in.) below
O.D...................................................................... 49.457--49.483 mm
front face of pulley.
(1.9471--1.9481 in.)
2. Press bearing shaft (C) into water manifold (A). End
Fixed Fan Drive Manifold--Specification
of shaft should be 33.31--33.57 mm
(1.311--1.322 in.) (D) from manifold mounting
I.D. ...................................................................... 25.336--25.362 mm
surface. Hold water manifold firmly and turn fan
(0.9975--0.9985 in.)
pulley by hand to be sure bearings rotate freely.
Fixed Fan Drive Shaft (Installed)--Specification
3. Install a new gasket and O-rings. Insert water
Dimension ............................................................... 33.31--33.57 mm
bypass pipe in manifold and install assembly onto
(1.311--1.322 in.) from
locating pin in front face of cylinder head. Tighten
manifold mounting face-to-end
cap screws to 60 Nm 45 (lb-ft).
of shaft
4. Install fan and belts. Refer to appropriate operator's
TO ASSEMBLE FAN DRIVE:
manual for proper belt tensioning.
2
Units with press-fit fan spacer only.
RG,RG34710,1240
1923OCT972/2
11-309
