TM 9-2320-260-20
4-25. STOPLIGHT
PRESSURE SWITCH REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
EQUIPMENT CONDITION
APPLICABLE MODELS
Parking brake set (TM 9-2320-260-10).
All
Air reservoirs drained (TM 9-2320-260-10).
MATERIALS/PARTS
Four locknuts
GENERAL SAFETY INSTRUCTIONS
Do not disconnect air lines before draining air
REFERENCES (TM)
reservoirs.
TM 9-2320-260-10
TM 9-2320-260-20P
WARNING
Do not disconnect air lines before draining air reservoirs. Small
parts under pressure may shoot out with high velocity, causing
injury to personnel.
a. Removal
1.
Remove four locknuts (6), screws (8), washers (7), and shield (5) from air-hydraulic cylinder (4).
Discard locknuts (6).
NOTE
Tag all electrical leads for installation.
2.
Disconnect leads (1) from stoplight pressure switch (2).
3. Remove stoplight pressure switch (2) from tee (3).
1.
Apply antiseize tape to male threads of stoplight pressure switch (2).
2. Install stoplight pressure switch (2) on tee (3).
3. Connect leads (1) on stoplight pressure switch (2).
4. Install shield (5) on air-hydraulic cylinder (4) with four washers (7), screws (8), and new locknuts (6).
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