TM 10-3930-669-34 13-4.  FRAME COUNTERWEIGHT REPLACEMENT (CONT). WARNING Front engine mount weighs 60 lbs (27 kg).      Attach   suitable   lifting   device prior to installation to prevent possible injury to personnel. (9) Using lifting device, install front engine mount (4) in forklift (5) with six screws (3), twelve washers (2),  and  six  nuts  (1).    Tighten  nuts  63  lb-ft  (86 N.m). NOTE Follow-on Maintenance: • Install engine/transmission assembly (Para 3-3). • Install  priority  valve  (TM  10- 3930-669-20). END OF TASK 13-38