TM 1-5855-265-20
2-18
5
PNVS ELECTRONIC UNIT (PEU) (cont)
5.3
X
On PEU front panel, remove fuseholder caps for F1 through F4.
Check for missing, blown, or incorrect fuses. See listing below for
correct style and rating of fuses.
Fuse Style Rating
F1, F2 F02 250V, 2 amp, slow blow
F3, F4 F02 250V, 5 amp, fast blow
5.4
X
Replace missing, blown, or incorrect fuses. Install fuseholder caps
for F1 through F4.
5.5
X
Check connectors J1 through J5 for corrosion and loose mounting
and for loose, bent, burned, or broken pins or sockets. If damage is
seen, replace PEU (para 3-14).
5.6
X
Check PEU for loose, missing or stripped mounting hardware. If
discrepancies are noted, replace PEU (para 3-14).
PREVENTIVE MAINTENANCE CHECKS AND SERVICES (cont)
Interval
Item
(hours)
Item to be Inspected
No.
250
Procedure
340-042A
REMOVAL
1. TURN CAP CCW
2. PULL OUT CAP
AND FUSE FROM
FUSE HOLDER.
1. INSERT FUSE IN
INSTALLATION
FUSE HOLDER AND
PUSH IN CAP
2. TURN CAP CW.
F1
F2
F3
F4
FUSEHOLDER
FUSE
CCW
CAP
CW
2-7. PMCS PROCEDURES (cont)