TB 1--1520--248--20--48
WARNING
Wear rubber gloves, chemical or splash proof goggles during cleaning oerations using claenig
compound. If cleaner is splashed in eyes, rinse thoroughly with water for 15 minutes and obtain
medical attention. Remove clothing saturated with cleaning solution immediately and flush ex-
posed skin area with fresh water, until solution is removed.
(2) Using aircraft surface cleaning compound, or equivalent, and water, clean oil cooler blower. Remove any build
up of foreign material from impeller blades.
(3) Thoroughly rinse using clean water and low pressure spray.
(4) Wipe impeller blades dry using lint free cloth.
(5) Install aft fairing assembly in accordance with Task 2--1--28.1, TM 55--1520--248--23--1.
d. Compliance with the inspection and correction procedures in TB 1--1520--248--20--47, will be in accordance with
the TB.
10. Supply/Parts and Disposition.
a. Parts Required. Items cited in paragraph 7 may be required to replace unserviceable items.
b. Requisitioning Instructions. Requisition replacement parts through normal supply channels using normal supply
procedures. All requisitions shall use project code (CC 57--59) "XGA" (XRAY--GULF--ALPHA).
NOTE
Project code "XGA" is required to track and establish a data base of stock
fund expenditures incurred by the field as a result of Safety of Flight actions.
c. Bulk and Consumable Materials.
NOMENCLATURE
PART NUMBER
NATIONAL STOCK NUMBER
Rag, Wiping
A--A--531, GR B
7920--00--205--1711
Naphtha, Aliphatic
TT--N--95, Type II
6810--00--238--8119
Alcohol, Denatured
O--E--760
6810--00--205--6786
Alcohol, Isopropyl
TT--I--735, Type I
6810--00--855--6160
Cleaning Compound, Acft Exterior
MIL--C--85570
6850--01--237--7482
d. Disposition. Hold any discrepant parts/components pending disposition instructions from technical point of contact
e. Disposition of Hazardous Material. In accordance with Environmental Protection Agency directives as implemented
by your servicing environmental coordinator, AR 200--1.
11. Special Tools, Jigs and Fixtures Required. As required.
a. Category of Maintenance. AVUM. Aircraft downtime will be charged to AVUM.
b. Time Required. Estimated time required for the inspection in accordance with paragraph 8. a. and 8. b.
(1) Total of 1 man hour man-hours using one person.
(2) Total of 1 hours downtime for one end item.
c. Estimated time required for the inspection in accordance with paragraph 8. c., in accordance with TB
1--1520--248--20--47.
4