TM 9-2320-360-10
2-20. AUXILIARY EQUIPMENT OPERATION (CONT)
(3) Loosen wing nut (3) until it stops.
(4) Remove cap (4) from water jacket (2).
(5) Install heater (5) in water jacket (2) with hand pump lever (6) in upright vertical position.
(6) Turn wing nut (3) until clamp (7) is tight around water jacket (2).
(7) Flip switch (8) to the up position to start pump (9).
(8) Install cable (10) in heater receptacle (11).
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