Reassembly Procedures-continued - TM-11-5820-509-350153

TM 11-5820-509-35

into sleeve bearing (37) and mesh the gear with idler

(20) Perform the remaining procedures of

gear (62) and side contact spring assembly (60). Install

paragraph 3-19c and then carefully install the front panel

6-32 x 1/4 flat head screw 1115), washer (116), and

so that the shafts of inductors (64) and (101) extend

sufficient shims to provide 0.010 to 0.013 inch clearance

through sleeve bearings (69) and (95) respectively, and

between the gear face and the sleeve bearing (37).

shafts of inductors (36) and (70) are inserted in sleeve

bearings (35) and (48) respectively .

(10) Rotate inductor (36) counterclockwise

(from the front panel end of inductor shaft) until the gear

(21) After securing the front panel in place on

stops are oriented as shown in detail A of figure 3-89.

the main chassis, adjust shaft collars (72) and (103) so

that the clearance between the shaft collar face and its

(11) Carefully install inductor (64) in sleeve

associated sleeve bearing is 0.010 to 0.013 inch.

bearing (84) and mesh the shaft gear with idler gear (62)

Tighten them securely.

and the lower contact of side contact spring assembly

(60).

(22) Install idler gear (96) on stub shaft (97)

and secure it in place with E-ring (98).

NOTE

(23) Rotate POWER AMPLIFIER TUNE

Align the scribe marks on idler gear

control shaft until the stop on inductor (101) is against

(62) and the gear of inductor (641 as

the stop on idler gear (96) as shown in detail B of figure

shown in detail A of figure 3-89.

3-89. If idler gear (96) cannot rotate one complete

revolution away from its stop, remove E-ring (98) and

remesh idler gear (96) one tooth away from the stop.

(12) Carefully install inductor (70) in sleeve

(24) Attach contact spring assembly (45) to

bearing (59) and mesh the shaft gear with idler gear (62)

upper front mounting block (46) with 6-32 x 1/4 flat head

and side contact spring assembly (86). Align the scribe

screws (52) and (53); then attach contact spring

mark on the gear of inductor (70) with the scribe mark

assembly (74) to lower front mounting block (73) with 6-

on idler gear (62) as shown in detail A of figure 3-89.

32 x 1/4 flat head screws (77) and (78). Use extreme

Install 6-32 x 1/4 flat head screw (110), washer (111),

care not to strip the threads in the mounting blocks by

and sufficient shims to provide 0.010 to 0.013 inch

tightening these screws too tightly.

clearance between the gear face and sleeve bearing

(59).

(25) Solder the two insulated bus wires that

connect to the lower front contact spring assembly (74)

(13) Install shaft collar (103) on the rear

and apply a liberal amount of epoxy insulating cement

extension of inductor (101); do not tighten. Carefully

to each contact after the solder has cooled.

install the inductor in sleeve bearing (106) so that the

lower contact of side contact spring assembly (86) is

(26) Install roller contacts (41), (56), (82), and

properly seated and the shaft collar-is against sleeve

(91) on rods (42), (51), (79), and (92) respectively and

bearing (106).

secure them in place with 0-80 x 1/8 round head screws

(38), (44), (49), (57), (761, (85), (90) and (94) and their

(14) Install shaft collar (72) and washer (67) on

associated washers.

the front extension of inductor (64); do not tighten.

Install washer (100) on the front shaft extension of

inductor (101).

NOTE

With POWER AMPLIFIER TUNE and

(15) Install vernier drive panel bushings (9)

and (28), with gaskets (10) and (29), into the front panel

POWER AMPLIFIER LOAD inductors

(30) and secure in place with hex nuts (68) and (99)

against their stops, place the roller

respectively.

contact of each inductor on the rear

turn of its associated coil.

(16) Install sleeve bushings (69) and (95) in

vernier dial panel bushings (9) and (28) respectively

through the back of the panel.

(27) Install secondary vernier scales (8) and

(17) Install sleeve bearings (35) and (48) in

(27) and secure in place with collars (7) and (26)

meter shield (33); then attach the meter shield plate to

respectively.

the back of XMTR OUTPUT meter compartment with 4-

(28) Install scales (3) and (22) on collars (7)

40 x 1/4 flat head screws (34) and (47).

and (26) and then attach pointers (6) sod (25) to the

(18) Attach mounting block (46) to meter

secondary scales with 1-72 x 1/8 round head screws (4),

shield (33) with 6-32 x 6tl6 flat head screws (31) and

(5), (23), and (24).

(32); then replace the XMTR OUTPU T meter and its

(29) Install knobs (1) and (21) on their

gasket on the front of the receiver-transmitter and

respective inductor shafts. Hold the inductors

secure it in place with four 4-40 x 1/2 pan head screws.

(19) Attach lower front mounting block (73)

and the dial LOCK assembly to the front panel with 6-32

x 1/2 flat head screw (13) and stud (181.

3-106