R (4) Installation of spiral strip.
R (Ref. Fig. 205/TASK 20-23-14-991-005)
R NOTE : If a pipe is too close to a fixed part (distance less than 5____
R mm (0.1968 in.)), you can install a spiral strip attached with
R a cable tie at each end on the tube to prevent damage.
R This method is not applicable for parts that can move.
R (a) Wind a spiral strip NSA849000 around the pipe.
R (b) Install a cable tie NSA935401 at each end of the spiral strip.
R (5) Installation of grommets ABS0648.
R (Ref. Fig. 205/TASK 20-23-14-991-005)
R (a) Before you install a grommet, apply COMMON GREASE (Material No.
R 04-012) on the internal and external faces of the two parts. This
R makes correct installation of the grommet easier.
R (b) During installation, make sure that:
R - the pipe is centered on the grommet axis,
R - the nose of the inner part is correctly installed on the outer
R part.
R (c) After correct installation, the pipe can move approximately 15
R Deg. in each direction.
R
Installation of Spiral Strips and Grommets
Figure 205/TASK 20-23-14-991-005
1EFF : ALL 1 20-23-14 Page 212
1 1 May 01/99
1 1
1CES 1
HYDRAULIC BOBBINS - MAINTENANCE PRACTICES
_________________________________________
TASK 20-23-21-911-001
Removal/Installation of the Bobbins from their Housings and Installation of O-rings, Square Seals, and Back-up Rings on the Bobbins
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
97A29102090000 1 TOOL SET - REMOVAL BOBBINS AND INSTALLATION RINGS
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
Material No. 04-015 USA BAC 5001 DACO-5073
GREASE (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
20-23-21-991-001 Fig. 201
20-23-21-991-002 Fig. 202
20-23-21-991-003 Fig. 203
3. Job Set-up
__________ Subtask 20-23-21-869-050
A. Not Applicable
4. Procedure
_________ Subtask 20-23-21-911-050
A. Equipment
(Ref. Fig. 201/TASK 20-23-21-991-001)
TOOL SET - REMOVAL BOBBINS AND INSTALLATION RINGS (97A29102090000)
Subtask 20-23-21-911-051
B. Removal of Bobbins from their Housings
(Ref. Fig. 202/TASK 20-23-21-991-002)
(1)
Removal of bobbins (from 1/4" dia to 1/2" dia)
(a)
Get the removal tool applicable to the diameter of the bobbin that you remove.
(b)
Make sure that the tool is correctly set:
-34 mm (1.3385 in.) for bobbin from 1/4" dia to 3/8" dia, 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址:A320飞机维护手册 AMM STANDARD PRACTICES-AIRFRAME(58)