TM 5-4310-343-35
WARNING : WHEN REMOVING AND INSTALLING SPRING (106) AND SPRING LOCK
(105) OBSERVE ALL PRECAUTIONS TO PREVENT INJURY TO SELF AS THE
SPRING IS UNDER TENSION.
(4) Unscrew bushing (107) and remove bushing and back-up washer (108) from oil pump.
(5) Cleaning. Clean fan components by wiping with a lint-free cloth.
(6) Inspection. Check fan components for dents, distortion and damage.
(7) Replacement. Replace front fan guard (65), bushing nut (103), cover (104, spring (106) spring lock (105),
fan (109), busing (107) and washer (108).
(8) Installation. Install the fan assembly as follows:
(a) Screw back-up washer (108) and bushing (107) onto oil pump (112).
(b) Insert lock spring (105) into hub of fan (109) using a suitable spring compressor.
(c) To insert spring (106) into lock spring (105), use spring-fan assembly fixture Part Number 890854 or
equivalent. Place the spring (106) in the guide and turn the holding fixture handle slowly to tighten spring.' Use the pusher
to force the spring into the fan hub until it snaps into place.
(d) Remove the fan from the fixture and attach it to the oil pump (112) with spring cover (104), bushing
nut (103) and nut lock (102).
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