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Page Title:
Preventive Maintenance Checks and Services (PMCS) |
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  TM 11-6625-3060-10
Preventive Maintenance Checks and Services (PMCS)
B-BEFORE OPERATION
A-AFTER OPERATION
D-DURING OPERATION
Interval
Procedures
Item
B
D
A
Item to be
Check for and have repaired or
Equipment is not
No
Inspected
adjusted as necessary
ready/available if
a. Verify voltage amplitude of
a. Power not available at
1
·
Ac input power on rear
panel
available ac power (115+ 5, -
proper
voltage
and
15 volts ac or 230+ 10 -20
frequency
volts ac) 50 to 400 Hz.
b. Place input ac power50-400
b. Not applicable
Hz switch in 115 or 230
position determined from a
above.
c. Check fuse in 50-400 Hz
c. Properly rated fuse not
fuseholder.
Fuse
rating
installed
should correspond to 115 or
230 switch position marked
on rear panel.
2
·
ME-526A/USM and RF
Verify serial numbers of ME-
Serial numbers are not the
PROBE
same
526A/USM and RF PROBE
are the same
3
·
Signal to be measured
Divider required at ME526A/
Divider not available
is known to exceed
USM probe input (Divider not
400 V dc or 3 V ac.
normally
part
of
ME-
526A/USM.)
4
·
·
ZERO adjust of ME-
Short probe tip to ground.
Unable to zero rf millivolts
526A/USM
Depress. FULL SCALE 1
meter by adjusting ZERO
mV switch. Adjust ZERO
control for ZERO on dBm
control for ZERO reading on
edge meter
dBm edge meter.
5
·
ME-526A/USM
Store the RF PROBE,PROBE
RF PROBE must be replaced
Return ME-526A/USM to
TIP and 50 OHM ADAPTER
organizational maintenance
in the storage clips pro vided
The
replacement
RF
at the rear of the ME-
526A/USM. The RF PROBE
PROBE must be calibrated
must not be replaced directly.
to the ME-526A/USM with
See next column.
which it is used
2-5
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