TEO-540-C1A Engine Maintenance Manual
05-30
© 2018 Avco Corporation. All Rights Reserved
Page 38
November 2018
TEO-540-C1A Engine Maintenance Manual
Table 1 (Cont.)
Cleaning Guidelines for Engine Components
Component or Part
Cleaning Agent*
Guidelines
Fuel pump filter
MEK
Acetone
(1)
Clean in an ultrasonic cleaner.
(2)
Blow dry with compressed air.
Electrical connectors
CR4 or equivalent
Refer to contact cleaning solvent
manufacturer’s instructions.
Turbocharger
Refer to the turbocharger manufacturer’s
instructions.
Final spot cleaning/touch-
up cleaning
Parts washer solvent
Naptha spray booth
Hartzell Engine
Technologies (HET)
(formerly Kelly
Aerospace) starter
Refer to the starter manufacturer’s
cleaning instructions.
All other parts
Parts washer solvent using
Whirlwash-L or equivalent
Volcanic ash on engine
Refer to the “Volcanic Ash Removal”
procedure in this chapter.
Engine exterior and
components not
contaminated with
volcanic ash
Use a brush or spray to apply degreaser
(hydrocarbon-based solvent) to parts to
remove grease, oil, and dirt
*Refer to the manufacturer’s instructions for usage, safety data, and disposal of all cleaning agents.
2.
Crankshaft Cleaning
CAUTION
DO NOT MAKE SCORES, SCRATCHES, OR ETCH MARKINGS OF ANY
KIND ON THE CRANKSHAFT SINCE THEY CAN CAUSE THE PART TO
WEAKEN AND TO FAIL.
DO NOT USE WIRE BRUSHES OR METAL SCRAPERS ON BEARINGS OR
CONTACT SURFACES.
A.
Clean the inside of all crank pin journals, main bearing journals, and all oil passages with
bristle (non-wire) brushes.
B.
Clean all parts thoroughly with mineral spirits (MIL-PRF-680) or equivalent.
C.
Dry the crankshaft with compressed air.
D.
Apply preservative oil to the crankshaft to prevent corrosion.
3.
Crankshaft Counterbore Cleaning
A.
Flush the crankshaft counterbore and alignment dowel pin with mineral spirits (MIL-PRF-
680) or equivalent or Stoddard Solvent or equivalent solvent to remove any debris.
B.
Dry the crankshaft counterbore threads with compressed air.
