4-16. MANIFOLD HEATER (SIDE-MOUNTED) SPARK PLUG AND NOZZLE REMOVAL
5/16-inch wrench (2)
7/16-inch wrench (2)
Truck parked, engine off, handbrake set.
(1) Open hood and right side panel. Refer to TM 9-2320-209-10.
(2) Disconnect battery ground cable. Refer to para 7-58.
Using 3/4-inch wrench, unscrew and take off electrical cable connector (1)
from sparkplug (2).
Using 7/8-inch wrench, unscrew and takeoff sparkplug (2) with gasket (3).
Using 7/16-inch wrenches, unscrew and take off fuel return tube fitting (4).
Using 5/16-inch wrenches, unscrew and take off fuel inlet tube fitting (5).
Using 7/16-inch wrench, unscrew and takeoff elbow (6).
Using 13/16-inch wrench, unscrew and takeoff nozzle (7).
END OF TASK