(b)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(c)
Wet the windshield with the water supply system.
(d)
FOR 307DM On the panel 21VU, set the CAPT WIPER control switch to SLOW. FOR 306DM On the panel 22VU, set the F/O WIPER control switch to SLOW.
(e)
When the wiper arm (8) is in the center position on the windshield, open, safety and tag this(these) circuit breaker(s): FOR 307DM 4DB1 FOR 306DM 4DB2
(f)
Put the spring scale on the bolt which attaches the wiper blade
(1) to the wiper arm (8).
(g)
Make sure that the force necessary to lift the wiper blade (1) from the windshield is 4.5 +0.1 -0.1 daN (10.1164 +0.2248 -0.2248 lbf).
(h)
Turn the adjustment bolt (7) to adjust the pressure of the wiper arm (8).
NOTE : Put a paper band (45 mm (1.7716 in.) width) between the
____ center of the wiper blade (1) and the windshield and pull on the spring scale.
You have the correct force when the paper starts to move freely.
1EFF : ALL 1 30-45-52Page 410 1 1 Feb 01/05R 1 1 1CES 1
Wiper Arm - Test Figure 403/TASK 30-45-52-991-003
1EFF : 1 1R 1CES ALL 1 11 1 30-45-52 Page 411 Feb 01/05
(i) Make sure that the wiper arm (8) stops correctly in the parking position.
NOTE : If necessary adjust the wiper blade (1) pressure with the
____
screw (9).
5. Close-up
________
Subtask 30-45-52-942-050
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the access platform(s).
Subtask 30-45-52-869-052
B. Aircraft Maintenance Configuration
(1) FOR 307DM On the overhead control and indicating panel 21VU, set the CAPT WIPER control switch 5DB1 to OFF. FOR 306DM On the overhead control and indicating panel 22VU, set the F/O WIPER control switch 5DB2 to OFF.
(2)
Make sure that the wiper arm (8) is in the parking position.
Subtask 30-45-52-865-055
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 307DM
R 1DB1, 4DB1, 5SQ1, 5SQ2 FOR 306DM R 1DB2, 4DB2, 5SQ1, 5SQ2
Subtask 30-45-52-862-050
D. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
BLADE - WIPER - REMOVAL/INSTALLATION
____________________________________ TASK 30-45-53-000-001 Removal of the Wiper Blade WARNING : MAKE SURE THAT THE CIRCUIT BREAKERS RELATED TO THE WEATHER RADAR ARE
_______ OPENED, SAFETIED AND TAGGED.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s) No specific access platform 3.5 m (11 ft. 6 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
30-45-53-991-001-A Fig. 401
1EFF : ALL 1 30-45-53Page 401 1 1 May 01/05R 1 1 1CES 1
3. Job Set-up__________
Subtask 30-45-53-865-050
A. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 304DM 121VU COM NAV/RADAR/1 5SQ1 K13
R **ON A/C 051-099,
R 121VU COM NAV/RADAR/2 5SQ2 K14
R **ON A/C ALL
R R 122VU ANTI ICE/F/O/WIPER FOR 305DM 121VU COM NAV/RADAR/1 4DB2 5SQ1 W12K13
R **ON A/C 051-099,
R 121VU COM NAV/RADAR/2 5SQ2 K14
R **ON A/C ALL
R 122VU ANTI ICE/WIPER/CAPT 4DB1 X12
Subtask 30-45-53-941-050
B. Put the access platform in position.
4. Procedure
_________
(Ref. Fig. 401/TASK 30-45-53-991-001-A) Subtask 30-45-53-020-050-A
A. Removal of the Wiper Blade
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