Page 71 - Parker - Fluoropolymer hose and fittings products
P. 71

Hose Assembly & Crimping
                              PTFE Permanent Series 91, 91N




           CAUTION:  There are several different sections for Hose Assembly
           and Crimping. Be sure you are in the section that corresponds to
           the fitting series you are using. See Table of Contents for listing.




                           1                                2                                  3



                  Cut                              Inspection                         Assembly Prep














                  Using a power hose cutoff saw,   Hose – Visually inspect both       Insertion Depth – Mark hose
                  cut hose squarely.              ends of hose for square cut.        end with proper insertion depth
                                                  Remove any burrs, loose fibers      line. See Hose Fitting Inser-
                                                  or wires.                           tion Values, pg. 46 for insertion
                                                                                      depths of fitting series that do
                                                                                      not incorporate an insertion
                 Note                                                                 depth. For covered PTFE hoses,
                 PTFE Hose should be taped                                            use a sharp knife and light pres-
                 prior to cutting.  Hose should                                       sure to cut back the cover at
                 be cut at center point of taped                                      least the length of the insertion
                 section.                                                             depth of the fitting.



                                                                                      Warning
                                                                                      Do not use lubricating oil when
                                                                                      installing fittings on hose used in
                                                                                      oxygen service. When installing
                                                                                      fittings on hose used in oxygen
                                                                                      service, lubricate with a non-oil
                                                  Fittings – Verify fitting series    based soap solution. Failure to
                                                  corresponds to the selected         do so may result in an explosion
                                                  hose.  Visually inspect fitting(s)   and personal injury when hose
                                                  for a through-hole, threads and     is used.
                                                  damage.








        Technical



                                                                                      Assemble hose – Push fitting
                                                                                      onto hose slightly and then
                                                                                      remove tape. Continue pushing
                                                                                      fitting onto hose until fitting
                                                                                      reaches depth insertion mark.


                                                             68
   66   67   68   69   70   71   72   73   74   75   76