Component Maintenance Manual
EFFECTIVITY: ALL
21-00-22
Page
5005
JULY 21, 2011
SUBTASK 21-00-38-21-002
7.2
Evaporator Module Inspection Schedule:
NOTE
: This is the recommended visual inspection schedule for the Evaporator 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.
7.2.1
If any component listed in this schedule requires cleaning, refer to Cleaning Procedure
(Section 6).
7.2.2
If any component listed in this schedule requires repair and/or replacement, refer to Repair
(Section 8).
Component Type
Inspection
Required
Times
*Evaporator Coil Assembly
Inspect refrigerant plumbing for leakage
Inspect coil fins for cleanliness and damage
Inspect cold air ducting for leaking cracks or damage
12 Months
Evaporator housing Assembly
*Shroud Assembly
*Escutcheon
*Water Deflector
Inspect seam between shroud assembly and
escutcheon for signs of separation and condensate
leakage.
Inspect for cleanliness and damage/integrity.
Inspect condensate drain, making sure hole is clear
and secure.
12 Months
Blower Assembly
*Blower Motor
*Blower Wheel
*Blower Scroll
Inspect for cleanliness and damage/integrity
Verify that blower wheel is clean and operates vibration
free.
12 Months
Blower Motor must be removed
and replaced between 4900-5100
hours in service
Expansion Valve
Inspect for cleanliness and damage/integrity
12 Months
Table 3.6 Forward and Aft Evaporator Module Inspection Schedule
