R R Marking of Screws and Nuts Figure 210/TASK 20-21-15-991-011
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STA-LOK FASTENERS - MAINTENANCE PRACTICES
_________________________________________ TASK 20-22-00-000-001 Removal of STA-LOK Nuts and Lockwashers
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific wrench
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
20-22-00-991-001 Fig. 201 20-22-00-991-002 Fig. 202 20-22-00-991-003 Fig. 203
3. Job Set-up
__________ Subtask 20-22-00-941-050
A. Not Applicable
4. Procedure
_________ Subtask 20-22-00-911-050
A. Removal of STA-LOK Nuts and Lockwashers (Ref. Fig. 201/TASK 20-22-00-991-001, 202/TASK 20-22-00-991-002, 203/TASK 20-22-00-991-003)
(1)
Use the tool wrenches-notched, tightening of nuts STA-LOK NSA5454 (SL90-315) (Ref. Table 2) and the tool-extraction, tab washers STA-LOK NSA5454 (SL90-314) (Ref. Table 3).
(2)
Adjust the tool-extraction, tab washers STA-LOK NSA5454 (SL90-314) so that the inner face of the tool (8) core aligns with the outer face of the tool (9) body.
Installation of STA-LOK Nuts NSA5454
Figure 201/TASK 20-22-00-991-001
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Lockwasher Removal/Installation Tools
Figure 202/TASK 20-22-00-991-002
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Lockwashers - Removal/Installation
Figure 203/TASK 20-22-00-991-003
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NOTE : The tools given in the table below for the lockwasher
____ NSA5454-5DRH are applicable for the nut STA-LOK SL40871. For the nut STA-LOK SL40290, there is no special tool.
(3) Engage the 2 lugs of the tool through the available slots (5) of the nut (1).
NOTE : If there is not sufficient space at the end of the pin/bolt,
____ use the special tool-extraction, tab washers STA-LOK NSA5454 (SL90-310). (Ref. Fig. 202/TASK 20-22-00-991-002) (Ref. Table 4) Turn the tool core clockwise. Install the tool on the pin/bolt (2). Turn the tool core counterclockwise until the lugs fit into the available slots (5) of the nut (1).
(4)
Turn the tool body to align the tool lugs with the tangs (4) of the lockwasher (3).
(5)
Turn the tool core to remove the lockwasher (3) from the nut (1).
(6)
Remove the lockwasher (3) from the tool.
(7)
Install the tool wrenches-notched, tightening of nuts STA-LOK NSA5454 (SL90-315).
(8)
Loosen the nut (1) with the wrench.
TASK 20-22-00-400-001
Installation of STA-LOK Nuts and Lockwashers
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific torque wrench
No specific wrench
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
R Material No. 04-004 USA MIL-PRF-23827 TYPE I SYNTH.ESTER BASED GREASE HIGH PRESSURE (Ref. 20-31-00)
Material No. 11-004 USA MIL-T-81533
1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
(Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
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