TM 10-4610-239-24
TM 08580B-24/3
DISASSEMBLY.
a.
Remove four screws (1), housing cover (2), and housing cover gasket (3) from housing (4).
b.
Remove two screws with washers (5), flat washers (6), external-toothed lockwashers, 7), and
(
tube stop plate (8).
c.
Tag and remove three limit switch wires (12) from terminal block (10).
d.
Remove two screws with washers (9), lift terminal block (10), and remove terminal strip marker (11).
NOTE
Calibration is required after replacement or disassembly of Bourdon tube.
e.
Bend lockwasher (13) tabs clear of socket nut (14).
f.
Remove socket nut (14), lockwasher (13), Bourdon tube (15), and socket gasket (16).
g.
Remove ground screw (17).
h.
Remove two screws with washers (18), adjusment cover (19), and adjustment cover gasket (20).
t
i.
Remove tag (21) from Bourdon tube (15).
j.
Remove two screws with washers (22) and contact bracket (23).
k.
Remove dampener (24) from within Bourdon tube (15).
l.
Remove two screws with washers (25) and assembly bracket (26).
m.
Remove adjusting screw (27) and overload spring (28).
n.
Remove two screws with washers (29) and bracket clamp (30).
o.
Remove two nuts (31), washers (32), screws (33), limit switch bracket (34), and insulator (35)
from limit switch (36).
INSPECTION.
a.
Inspect gasket for breaks.
b.
Inspect all parts for evidence of water damage. Replace as required.
c.
Inspect Bourdon tube for cracks, bulges, or twists. Replace as required.
d.
Inspect limit switch and wires for cracked or charred insulation and loose terminals. Replace
limit switch if wires are damaged.
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