Section III CLEANING PROCESS #3 (CARBON/RUST)
8-3 CLEANING PROCESS #3 (CARBON/RUST) (AVIM)
68B Aircraft Powerplant Repairer
Rust Stripper (D37)
Off APU Maintenance
General Safety Instructions:
Exercise extreme caution when
preparing rust stripper solu-
This solution is toxic
to skin, eyes and respiratory
tract, especially when heated.
Use adequate caution. Suit-
able eye and skin protection
Mixing may pro-
duce temperatures exceeding
the boiling point of solution
as a means to prevent local-
Do not clean non-steel parts
in rust stripper.
damage can occur if non-steel
parts are exposed.
Be sure components
cleaned by process
to this task.
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
Adjust thermostat to maintain 160 to
200°F (71 to 93°C).
It is not necessary to remove
Place parts in cleaning basket and
immerse parts for 10 to 20 minutes.
Remove parts, rinse and scrub sur-
face with stiff plastic fiber brush.
Rinse thoroughly in clean tap water
at 80 to 11O°F (27 to 43°C).
Dry parts thoroughly with clean,
filtered compressed air.
FOLLOW-ON MAINTENANCE: None.