Enviro PILATUS PC12 - Check (Inspection Schedule); Compressor Condenser Module Assembly Inspection Schedule

Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
Copyright © 2017
ATA 21-00-23
Page | 37
Revision 10
June 1, 2017
CHECK (INSPECTION SCHEDULE)
TASK 21-00-23-21-801
7.0 R-134A AIR CONDITIOING SYSTEM COMPONENT – INSPECTION SCHEDULE
SUBTASK 21-00-23-21-001
7.1 Compressor Condenser Module Assembly Inspection Schedule:
NOTE: This is the recommended visual inspection schedule for the Compressor Condenser Module
Assembly. Adherence to this schedule will ensure that all components of the assembly are in accordance
with the manufacturer’s specifications and is necessary to detect structural failure, deterioration or damage,
and to determine the need for corrective action.
7.1.1 If any component listed in this schedule requires cleaning, refer to Cleaning Procedure
(Section 6).
7.1.2 If any component listed in this schedule requires repair and/or replacement, refer to Repair
(Section 8).
Component
Type Inspection
Unit
Operating
Hours
Drive belt/pulley/cover
Inspect for wear, nicks, cracks or looseness, and proper tracking.
Realign & tension and/or replace as required.
Inspect belt cover for cracks or other damage.
600
Compressor/Shaft seal
Inspect for leaks (excessive oil spray)
Bearing inspection
600
Condenser fan/outlet
shrouds
Inspect condenser shrouds for signs of cracking, separation between
shrouds and condenser coil.
600
Condenser coil
Inspect condenser coil for damage or dirt accumulation.
Inspect, clean and comb coil fins. Inspect for leakage.
Inspect plumbing for damage weathering and wear
Inspect return bends for nicks, dents, cracks, or other damage.
600
Electrical wiring
Inspect wiring for insulation damage, replace as required.
600
Drive. motor
Inspect drive motor commutator for wear. (Refer to figures 3.3 – 3.5 for
serviceable determination)
Internal contamination inspection
Motor insulation resistance check (refer to Special Procedures, Section 13)
Inspect brush holders for looseness, damage from arcing, heat distortion or
cracks.
Motor bearing inspection (refer to Special Procedures, Section 13)
600
Drive Motor Brushes
(Except 1134400-59)
Replace Brushes
Mandatory every
500 hours
Drive Motor Brushes
(1134400-59 Only)
Inspect brush length and determine wear rate
Replace Brushes if wear rate exceeds recommendations in Section 7.1.3
600
Receiver dryer assembly
Inspect for leakage. Inspect plumbing for damage, weathering, and wear.
Verify mounting hardware is secure
600
Hour Meter
Inspect for proper operation and damage.
600
Table 3.5 Compressor Condenser Module Inspection Schedule