TM 9-2320-272-24-1
3-12. AIR CLEANER INDICATOR AND TUBE MAINTENANCE
THIS TASK COVERS:
c. Cleaning and Inspection
a. Testing
d. Installation
b. Removal
INITIAL SETUP:
APPLICABLE MODELS
EQUIPMENT CONDITION
l Parking brake set (TM 9-2320-272-10).
All
l Hood raised and secured (TM 9-2320-272-10).
TOOLS
l Left splash shield removed (TM 9-2320-272-10).
General mechanic's tool kit (Appendix E, Item 1)
GENERAL SAFETY INSTRUCTIONS
MATERIALS/PARTS
When cleaning with compressed air, wear eyeshields
Two locknuts (Appendix D, Item 313)
and ensure source pressure does not exceed 30 psi
Antiseize tape (Appendix C, Item 72)
(207 kPa).
REFERENCES (TM)
TM 9-2320-272-10
TM 9-2320-272-24P
NOTE
Perform step 1 for M939/A1 series vehicles.
Remove nut (3), screw (6), and extension tube cap (2) from extension tube (5).
1.
Start engine (TM 9-2320-272-10) and run at 1,200 rpm.
2.
Cover 90 percent of intake extension tube (5) opening with cardboard (4).
3.
Observe filter indicator (1) to ensure red band is visible. If red band is visible, indicator (1) works
4.
properly. If not, replace indicator (1).
5.
Remove cardboard (4) and reset indicator (1) (TM 9-2320-272-10) if working properly.
NOTE
Perform step 6 for M939/A1 series vehicles.
6.
Install extension tube cap (2) on extension tube (5) with screw (6) and nut (3).
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