NO: 7018
rWl~iV, BUUlf~
CODE: 40.B.
T"d (This Service Bulletin replaces Service Bulletin No.27 3, dated 4 ~uly 1972.)
Modified Oil Filter Housing Assembly Introduction of
ii Planning information
A, Effectivity
Model Applic ation
JT15D-1 All engines prior to serial no. PC-E76084,
except 76081.
Spares in Stock Affected: No;
may be diverted to PT6T-3 application.
B. Reason
To prevent possible oil leakage.
C. Description
The e~dsting oil filter housing sleeve is replaced with one of increased length
and one basic OD.
D. Compliance
ORIGIMAL
Recommended at next overhaul. As Received
O By
ATP
E. Approval
D. O. T. /D. A. R. approved.
F. Manpower
Approximately 2. 0 additional man-hours are required at engine overhaul.
G. Re~ferences
JT15D-1 Maintenance Manual P/N 3017542
Parts Digest No. 660
2. Accomplishment Instructions
A. Machine-out eidsting sleeve P/N 3015332 from oil filter housing assembly
P/N 3020924, Take care not to enlarge hole in the housing. See Figure i.
B. Flush-out housing assembly, and ensure that all swarf is removed.
r a
Figure i. Ensure that correct seating of the sleeve is obtained.
68-09
ISSUED: 1 December 1973 PAGE 1 .OF 2
United Flircraft of Canada Limited
P.O. BOX 10, LONGUEUIL, 9UEBEC, CANADA
SE. NO. 7018
Modified Oil Filter Housing Assembly Introduction of
D. Strike-outexisting housing assembly F/N 3020924 and reidentify to new P /N
3020948 using the vibro-peen method of marking.
3. Material Information
NEW OLD
PART NO. QTY NOMENC LAT URE QTY PART NO.
0/03020948 1 Housing Assy Oil Filter 1 3020924
3020947 1 Sleeve Oil Filter Housing 1 3015332
"/o obtainable by rework of old part number
4. Special Tools
Not applicable
PARTIAL VIEW OF
011 FILTER HOUSING ASSY.
CA
I:i´•;´•
REIOENTIFY ASSY TO
NEW P/N 3020948 LREMOVE SLEEVE P/N 3015332
INSTALL LONGER SLEEVE P/N 3020947.
ENSURE CORRECT SEATING.
0.980 1.160
0.960 1.150
(REF) (REF)
VIEW ON ARROW A SHOWING SEATING OF SLEEVE
(PLATE NOT SHOWN)
Figure 1 Replacement of Sleeve in Oil Filter Housing Assembly
Page 2 of 2 1 December 1973
