TM 10-3930-664-24 CAUTION To   avoid   damaging   left   side   panel assembly,     enlist     the     help     of     an assistant when installing. 14. Mate   left   side   panel   assembly   (4)   to   ROPS frame     (6).          Secure     using five bolts (7), lockwashers (8), and washers (9). 15. Install front defroster fan (1) onto left door panel assembly (4) using screws (2) and nuts (3). 16. Connect electrical wiring from defroster fan (1). FOLLOW-ON MAINTENANCE: Secure  tilt   cylinders   to   mast   assembly (para.    2-151)    Connect    battery    cables (para. 2-78) END OF TASK 3-174