14
(20), and limit plate (21) to gain access to plug
(22). Discard Iockwashers. Remove plug (22) only
if necessary to seal.
15
Remove air valve cap (23), valve core (24), purging
valve stem (25), and retaining strap (26) from eye-
piece arm (6).
16
Remove six machine screws (27) and six lock-
washers (28). Discard Iockwashers.
17
Pull variable resistor housing (29) as far as wiring
will permit.
18
Slide insulation sleeving from terminals of variable
resistor (30).
Using tape, tag and unsolder wire leads from vari-
19
able resistor (30).
20
Remove variable resistor housing (29) from rear
housing (31).
21
Remove setscrew (32) and knob (33).
NOTE
Nut and Iockwasher are part of variable resis-
tor. Retain for assembly.
22
Remove nut (34) and Iockwasher (35) from vari-
able resistor (30). Remove variable resistor (30)
from variable resistor housing (29).
Remove gasket (36) from rear housing (31 ) and
23
discard.
24
Remove four machine screws (37) and four lock-
washers (38). Discard Iockwashers.
25
Pull receptacle connector (39) from rear housing
(31) as far as wiring will permit.
26
Remove insulation sleeving from terminals of re-
ceptacle connector (39). Using tape, tag and unsol-
der wire leads from receptacle connector (39) and
gasket (40). Discard gasket.
27
Remove four machine screws (41), four lock-
washers (42), mount telescope adapter (43), and
gasket (44) from rear housing (31). Discard lock-
washers and gasket.
28
Remove warning labels (45 and 46) only if dam-
aged.
3-11
