TM 1-5855-265-20
3-27
Section II. PNVS MAINTENANCE
Subject
Para
Page
PNVS Window Cover Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-9
3-28
Rim Clenching Clamp Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-10
3-30
PNVS Turret Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-11
3-39
PNVS Turret Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-12
3-49
PNVS Electronic Control Amplifier (PECA) Replacement . . . . . . . . . . . . . . . . . . . . . .
3-13
3-64
PEU Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-14
3-69
PNVS Shroud Assembly Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-15
3-73
PNVS Shroud Assembly Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-16
3-77
PNVS Window Cover Assembly Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-17
3-82
PNVS Rubber Seal Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-18
3-84
Environmental Dust Cover Installation/Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-19
3-85
Azimuth Drive Gimbal Assembly A2 Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-20
3-86
OVERVIEW
This section contains detailed procedures for maintenance operations which are the responsibility of
aviation unit maintenance (AVUM) personnel. The maintenance operations covered are those
authorized for AVUM by the maintenance allocation chart (MAC) and by source, maintenance, and
recoverability (SMR) coded items listed in the supply manual. Each procedure provides step-by-step
instructions in the order in which the work is most logically accomplished. Any unusual or critical steps
are covered in detail.
Upon completion of all maintenance tasks, complete the proper forms in accordance with DA Pam 738-
751 as contained in maintenance management update.
