TM 10-3930-664-10 3-10. AIR CLEANER - SERVICE (Cont.) This task covers: Inspecting the air filter element. Cleaning or replacing elements as necessary. c. If a new element is to be installed, inspect the element, gasket, and pre-cleaner for shipping or storage damage. d. Install  the  filter  element  (6)  in  the  air  cleaner canister (7) and secure with the wing nut (5). e. Install baffle (4) into end cover (3) and secure end cover with clamp (2). Tighten the thumbscrew (1). f. Check   the   rubber   vacuator   valve   (8)   to   be sure it is not plugged or damaged. g. Close access door. h. Reset the  air  restriction  indicator  by  pressing down on the top of the indicator. 3-11. SIDESHIFT CHAINS MEASUREMENT/ADJUSTMENT This task covers: Measurement and adjusting the sideshift chain (carriage movement). NOTE If the sideshift chains are not correctly adjusted, the spine will not center, the sideshift cylinder will not bottom out,  and  the  spine  will  hit  the  end  of the sideshift carrier. 1. MEASUREMENT. a. Shift carriage as far left as possible. b. Measure   gap   between   spine   (1)   and   end plate (2). 3-20