Table 5-1. Troubleshooting

TM 5-3610-220-14

k. Remove one screw (35) from capacitor cover (36)

a. Remove four bolts (1, fig. 6-3.1) and spring washer

and remove capacitor cover.

(2) from the casting (12) and base (3). Remove the base (3).

l Disconnect wiring and remove capacitors (37) from

b. Remove five bolts (4) and spring washer (5).

Stator Assembly.

Remove the side cover (6).

m. Remove filter (44) and wire net (45) from Base (3).

c. Remove two bolts (7) and lock washer (8). Remove

guard plate (9). Remove impeller (10).

6-4.4. Reassembly.

d. Remove four bolts (11) and spring washer (12).

Remove casing (13) from bracket (27).

Reassembly the vacuum blower assembly in the reverse order

e. Remove two bolts (14) and washers (15) that secure

of disassembly. Be sure to follow the CAUTION and NOTE

bracket (27) to bearing over (29). Remove nut (16) and

instructions when reassembling the blower assembly.

washer (17) from bearing cover stud.

Page 5-1.

Chapter 5, Section I, General, is changed as

f. Remove three bolts (18) and washers (19) that

follows:

secure the bracket (27) to the Stator Assembly (26).

g. Remove three bolts (20) from the end cover (21) and

5-1. General.

remove the end cover.

Instructions in this section and in succeeding sections of this

h. Remove one bolt (22) from the outer fan and remove

chapter are published for the use of maintenance personnel

the outer fan (23).

responsible for direct support and general support

maintenance of the copying camera.

They contain

i. Remove three bolts (24) from the outer cover (25),

information on maintenance which is beyond the scope of the

Stator Assembly (26) and bracket (27). Remove bracket (27)

tools, equipment, or supplies normally available to using

and outer cover (25) from Stator Assembly (26).

organizations.

j. Remove shaft assembly (28) from stator housing.

Remove key (29) from stator. Remove packing (30), shim

Pages 5-1 and 5-2. Chapter 5, Section II, Table 5-1,

(31), bearing (32) and bearing cover (33) from shaft (28).

Troubleshooting, is changed as follows:

Remove bearing (34) from stator.

Table 5-1. Troubleshooting

Malfunction

Probable Cause

Corrective Action

Vacuum back fails to hold film

Improper selection of vacuum back

Measure size of film and move valve

properly.

valve ports.

handle to a position best suited to hold

film on vacuum back.

b. Opening in vacuum flexible hose.

b. Remove hose clamps at the vacuum

back valve housing and suction pipe on

camera skid, and remove flexible hose If

opening in hose is comparatively small,

make a temporary repair with electrical

tape.

c. Vacuum turbo-compressor defective.

c. Replace defective parts of vacuum turbo-

compressor assembly (para 6-2) or vacuum

turbo-compressor

motor

(para

6-6).

Replace entire unit if necessary.