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UF6C11E0.book  Page 83  Tuesday, July 19, 2022  4:21 PM



                                                                             Maintenance


                                                               Initial    Thereafter every
                                                                               100    200
                                                                     50 hours
                               Item             Operation              or 12   hours or  hours or   Page
                                                              10 hours         12      24
                                                                      months
                                                                        *1   months  months
                                                                               *1      *1
                                          Check breather hose and
                         Breather hose                                          √            —
                                          clamps
                                          Check for bends, dam-
                         Impeller                                               √            —
                                          age, and foreign material
                                          Check for damage and lu-
                         Drive shaft spline                                     √            —
                                          bricate splines
                                          Check bearings and
                         Jet pump bearings                                      √            —
                                          grease condition
                                          Check movement, and lu-
                         Jet thrust nozzle                                      √            —
                                          bricate
                                          Check hoses for clogs
                                          and damage, check
                         Jet vacuum bilge                                       √            —
                                          clamps, and clean bilge
                                          strainer
                         Stern drain plugs  Check O-rings                       √            —
                                          Check for corrosion, and
                         Anode                                                        √ *2   —
                                          clean
                         Valve clearance  Check and adjust                            √ *2   —
                                          Check for cracks, inden-
                         Rubber coupling  tations, looseness, and                      √     —
                                          noise
                                          Check for damage and
                         Engine mount                                                  √     —
                                          peeling
                        *1: Whichever comes first.
                        *2: Check every 200 hours.
                        Perform the pre-operation checks and  post-operation checks  before  performing  periodic
                        maintenance.



















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