TM 10-3930-675-20-1 0006 00-27 TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED 0006 00 Table 8. Tophandler System Troubleshooting Procedures (Non-Error Code) - Continued. MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 5.   Tophandler  Will  Not  Rotate  Left  or  Right Properly. 1. Access     maintenance     ECS display  and  check  for  active hydraulic or electrical system error codes (WP 0004 00). 2.  Inspect    tophandler    slewing motors for damage and signs of leakage. Replace    damaged    or   leaking slewing motor(s) (WP 0166 00). 3.  Check slewing motor hydraulic  lines  and  hoses  for damage and signs of leakage. a.  Tighten loose connections. b.  Replace  damaged  or  leaking lines and hoses (WP 0181 00). 4.  Test     tophandler     operating pressure  (WP  0186  00,  test point    no.     11).    Operating pressure  should  be  3045  psi (210 bar). Notify DS Maintenance to adjust or replace tophandler and steering hydraulic pump assembly  if  pressure  is  not  as specified. 6.   Tophandler   Twistlocks   Will   Not   Rotate Properly. 1. Access     maintenance     ECS display  and  check  for  active hydraulic or electrical system error codes (WP 0004 00). Perform troubleshooting procedures   to   clear   diagnostic code(s) (WP 0005 00). 2.  Inspect   twistlock   proximity switches, twistlocks, and control  rods  for  obstructions and damage. a.  Remove any obstructions. b.  Clean,     replace     or     adjust twistlock  proximity  switches (WP 0074 00). c.  Notify   DS   Maintenance   to replace damaged twistlocks(s) and control rod(s). 3.  Inspect   tophandler   twistlock cylinders    for     obstructions, damage, and signs of leakage. a.  Remove any obstructions. b.  Replace  damaged  or  leaking twistlock    cylinder(s)    (WP 0173 00). 4.  Check twistlock cylinder hydraulic lines and hoses and forklift quick disconnect fittings  for damage and  signs of leakage. a.  Tighten loose connections. b.  Replace  damaged  or  leaking lines and hoses (WP 0181 00). 5.  Ensure that twistlock cylinder bypass  valves  are  in  closed position. Close bypass valves as required (WP 0192 00).