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Page Title:
Section XIV. FANS, BELTS AND PULLEYS |
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 TM 5-4110-217-14
Section XIV. FANS, BELTS AND PULLEYS
3-49.
General.
3-52.
Evaporator Fan and Fan Shaft.
a.
Removal (fig. 8-21).
This section provides instruction for removal,
cleaning, inspection and installation of the condenser
(1) Remove rear cover panels per paragraph
and evaporator fans, drive belts and pulleys.
3-50.
Condenser Fan.
(3) Loosen setscrews securing fan shaft (13)
a.
Removal (fig. 3-21).
to bearings (20) Loosen setscrew (19A) securing pulley
(1) Open side doors and remove the top
to fan shaft.
screen(1, 3-23).
(4) Slide out fan shaft until evaporator fan (3)
(2) Loosen setscrew (2) holding the
can be removed Loosen setscrew (4) securing
condenser fan (1).
evaporator fan (3) to shaft Remove keys.
b. Cleaning and Inspection.
b. Cleaning and Inspection
(1) Clean fan with an approved cleaning
(1) Clean fan and shaft with an approved
solvent and dry thoroughly
cleaning solvent and dry thoroughly.
(2) Inspect fan for cracks, dents, and other
(2) Inspect fan and shaft for cracks, dents or
damage Replace if defective.
other damage. Replace if defective.
c. Installation.
(1) Place key (5) on fan shaft and install fan
3-53.
Bearings.
(1) as In original configuration.
a.
Removal (fig. 3-21).
(2) Secure fan with setscrew (2).
(1) Remove condenser fan (1), evaporator
(3) Install top screen (1, fig. 3-23).
fan (3) and fan shaft(13) per paragraphs 3-50 and 3-51.
(2) Remove screw (21) and washer (23) that
3-51.
Fan Pulley and Magnetic Clutch.
secure the front bearing (20).
a.
Removal (fig. 3-21).
(3) Remove bolt (24), washer (23) and nut
(1) Refer to paragraph 3-50 and remove
(24) securing rear bearing (20) and lube tubing (26).
condenser fan (1).
b
Installation. Using serviceable shaft and
(2) Refer to paragraph 3-12 and figure 3-21
bearings, reverse procedure above. Tighten belt per
Loosen fan belt (11) by loosening belt tensioner (6). Slip
belt off rear of pulley (19).
(3) Loosen screw and washer (16; 17)
3-54.
ENGINE SHEAVE AND BUSHING. (Model
securing bracket (18) and clutch (15). Loosen set
screws in locking collar to release pulley and magnetic
RMP-J/1-10G)
clutch assembly.
a. Removal.
(4) Slide clutch and pulley off end of shaft.
(1) Remove the gasoline engine from the
Use a suitable puller, if necessary. Remove key (14).
refrigeration unit per paragraph 3-22a.
b. Cleaning and Inspection.
(2) Remove set screw (1, fig. 3-22) and using
(1) Clean pulley and clutch with approved
appropriate Puller, remove sheave (2) and bushing (3)
cleaning solvent and dry thoroughly.
off engine shaft.
(2) Inspect pulley for cracks, chips or other
b. Cleaning and Inspection.
damage. Replace if defective.
(1) Inspect sheave (2, fig. 3-22) for wear.
(3) Replace defective or burned clutch.
(2) Check bushing (3, fig. 3-22) for wear or
c. Installation and Ad3ustment (fig. 8-21).
damage.
(1) Slide pulley and magnetic clutch assembly
(3) Clean all other sheave parts with an
(15) onto fan shaft (13) over key (14) and secure to
approved cleaning solvent and dry thoroughly. Replace
bracket. Lock pulley and clutch assembly to fan shaft
defective sheave and bushing.
with two setscrews in locking collar after setting air gap
c. Installation.
to .005.
(1) Install sheave (2) and bushing (3) on
(2) Slip fan belt(11) on to pulley (19) and
engine shaft. Tighten set screw (12).
adjust per paragraph 3-12 and Figure 3-21.
(2) Reinstall engine per paragraph 3-22c.
(3) Refer to paragraph 3-50 and replace
condenser fan (1).
Change 3 3-29
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