TM 55-2835-209-23
Section VI CLEANING PROCESS #6 (ABRASIVE BLAST)
8-6 CLEANING PROCESS #6 (ABRASIVE BLAST) (AVIM)
INITIAL SETUP
Tools:
Equipment Conditions:
Blasting Cabinet
APU on Aircraft
Insulated Mittens
Oven
General Safety Instructions:
Personnel Required:
68B Aircraft Powerplant Repairer
Materials/Parts:
Pressure Sensitive Tape (D38)
Sandblasting Sand (D32)
Heated components can cause a
serious burn potential.
Wear
insulated mittens when han-
dling heated components.
Regulate air pressure to keep
erosion of base metal to a mi-
nimum.
Keep nozzle in motion
to prevent blast from dwelling
on one spot.
NOTE
All parts should be cleaned
using process No. 1 prior to
abrasive blasting.
Do not abrasive blast part
until non-destructive testing
has been performed.
1.
Mask any surface that could be dam-
aged by abrasive blasting. Using
pressure sensitive tape (D38).
2.
Place parts in cabinet sc they can
be handled and not damaged by con-
tact with cabinet or other parts.
NOTE
Adjust air pressure at 15 to
50 PSIG for abrasive blasting
operation.
3.
Using sandblasting sand (D32), di-
rect sweeping stream at a slight
angle across surface.
Repeat until
surface is clean.
4.
Remove parts.
Rinse in clean tap
water until residue is removed.
5. Dry parts in oven at 205 to 233°F
(96 to 112°C) for 1 hour.
FOLLOW-ON MAINTENANCE: None.
8-6
