TM 10-3930-669-10 Table 23.  Operator Preventive Maintenance Checks and Services - CONT. Location Item Interval Item to Procedure Not Fully Mission No. Check/Service Capable If: DAILY- INTERIOR Continued 13 Before Parking Brake With engine running, place Parking brake cannot be transmission control lever in forward. adjusted enough to At low travel speed apply parking prevent forklift from brake.  Forklift should come to a rapid moving. stop.  If forklift does not come to a rapid stop, release parking brake and turn knob on parking brake handle clockwise one turn.  Retest.  Shutdown the forklift (Para 3-10). 14 During Heater Switch Check operation of the blower switch and heater temperature dial. 2-17