TM 9-2320-364-20-32-2263(1) Put LHS in transit position (TM 9-2320-364-10).(2) Turn OFF ENGINE switch.(3) Check clearance between proximity switch and hook arm.(a) If clearance is more than .13 in.(3.30 mm) or less than .11 in.(2.79 mm), adjust proximity switch(Para 7-37).(b) If clearance is between .13 in.(3.30 mm) and .11 in. (2.79 mm),proximity switch is adjustedcorrectly.PROXIMITY SWITCH CLEARANCETESTKeep clear of equipment when equipment is being raised or lowered. Equipment may fall and cause serious injury or death to personnel.