MIL-HDBK-1164
Table 29
Maintenance Checklist for Indicators, Registers, and Recorders
Inspection
Action
(1), (2)
Indicators
Clean cover and glass of gages.
SA
Check zero setting and calibration.
A
Mechanical
Inspect and service as for transmitter.
Q
transmission
Hydraulic
Vent air from mercury wells; check pulley shaft,
W
transmission
chain, cam, stuffing box, and other parts.
Check mercury wells; add new mercury if
A
necessary; clean or replace mercury if
necessary. (3)
Pneumatic
Service on same schedule and in same manner
transmission
as transmitter.
Electrical
Service generally on same schedule as
transmission
transmitter.
Clean unit, especially dials.
SA
Check operation; adjust and repair as necessary.
A
Recorders
Clean pen; check ink flow; check cam cycle and
2W
pulley freedom.
Check zero position; adjust and lubricate.
Q
Check contact points, armature, clutch, clutch
SA
cups, etc.; clean, adjust, repair, or renew parts.
Renew modular unit if necessary.
V
Renew illumination lamp as necessary.
V
Totalizers
Inspect, clean, adjust or repair on same schedule
as recorders.
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