TM 9-2320-364-102-134 Table 2-5. Operators Preventive Maintenance Checksand Services (Monthly) - CONT.LocationItemNo.IntervalItem toCheck/ServiceProcedureNot Fully MissionCapable if:Do not operate crane unless both outrigger jacks are properly set up.Truck could turn over causing serious injury or death.97MonthlyCrane Control Levers(a) Remove locking pin (1).(b) Move HOIST control lever (2)to DOWN position and lower hoistcable (3) about 12 in. (305 mm).Cable will not payout.Care must be taken when disconnecting HOIST load hook from hookblock tiedown. A swinging hook block can cause serious injury or death to personnel.(c) Disconnect load hook (4) fromhook block tie down (5).(d) Check load hook (4) for cracks.Hook will have to be replaced ifcracked.Hook is cracked.