TM 55-2835-209-23
Section III CLEANING PROCESS #3 (CARBON/RUST)
8-3 CLEANING PROCESS #3 (CARBON/RUST) (AVIM)
INITIAL SETUP
Tools:
Air Gun
Apron
Cleaning Tank
Gloves, Rubber
Hose Assembly
Respirator
Safety Glasses
Scrub Brush
Personnel Required:
68B Aircraft Powerplant Repairer
Materials/Parts:
Rust Stripper (D37)
Equipment Conditions:
Off APU Maintenance
General Safety Instructions:
Exercise extreme caution when
preparing rust stripper solu-
tion.
This solution is toxic
to skin, eyes and respiratory
tract, especially when heated.
Use adequate caution. Suit-
able eye and skin protection
is required.
Mixing may pro-
duce temperatures exceeding
the boiling point of solution
as a means to prevent local-
ized overheating.
1.
2.
3.
Do not clean non-steel parts
in rust stripper.
Extreme
damage can occur if non-steel
parts are exposed.
NOTE
Be sure components
cleaned by process
to this task.
have been
No. 1 prior
Fill cleaning tank to two-thirds of
operating level with tap water.
Add rust stripper compound (D37).
Agitate until completely dissolved.
Fill tank to operating level with
tap water.
4.
Adjust thermostat to maintain 160 to
200°F (71 to 93°C).
NOTE
It is not necessary to remove
heat discoloration.
5.
Place parts in cleaning basket and
immerse parts for 10 to 20 minutes.
6.
Remove parts, rinse and scrub sur-
face with stiff plastic fiber brush.
7.
Rinse thoroughly in clean tap water
at 80 to 11O°F (27 to 43°C).
8.
Dry parts thoroughly with clean,
filtered compressed air.
FOLLOW-ON MAINTENANCE: None.
8-3
