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PAST MAINTENANCE

Page history last edited by Jet Water 5 years, 4 months ago

 

HOURS       DATE                 DESCRIPTION                                         DONE BY

 

...     Record is closed. Enter new items at "from 1.Jan. 2018 to ..."

 


Machine was offline/stored because of move from Hebb Bldg to Hennings Bldg from Dec 2017 to April 2018.


1598.03   Mon Nov20, 2017      cylinder # 3 coolant housing seal, complete dynamic seal

                                                      assembly and long seal ring replaced but THIS TIME also

                                                       the plunger from #3 which was chipped and causing the

                                                       seals to wear extra quickly.  Next rebuild: Use flashlight

                                                       for close inspection of the plungers!!!!                                           BZ     


1595.71   Fri Nov 17, 2017        cylinder # 3 coolant housing seal, complete dynamic seal

                                                      assembly and long seal ring replaced                                             BZ     


1588.01   Mon Oct 30, 2017      new Roctec 500 mix tube, mix disc, last chance filter, all large

                                                       coarse and fine filters replaced                                                      BZ


1585.25  Wed Oct 18, 2017       replaced #303245 u shaped nippel above cutting head             BZ


15              August 2017                                    pump rebuild                                   DW


1540.37   Wed July 5, 2017        new mixing tube, roctec500, last chance filter 304351 and

                                                       mixing disc 303566                                                                        BZ


1528.38   Mon June 19,2017      replaced HP elbow connecting to whip HP line on pump side   BZ


1482.85   Fri March 31, 2017       New mixing tube and -disc. Put in the new diamond orifice

                                                  since the sapphire one was worn out                                                 BZ


1479.84    Mon March 27, 2017   On-off valve above nozzle rebuilt, full kit with needle, seat

                                                  and all seals                                                                                     BZ


 

1456.17    Wed March 15, 2017   Mixing tube clogged!!! New mix. tube and last chance filter          BZ


1420.74    Thur Jan 19, 2017       high pressure leak, in 10"long piece on HP pump outlet side

                                                       between press. transducer and first elbow after pump.

                                                        301337-10                                                                                        BZ


1418.48     Mon Jan 16, 2016       Diamond orifice end of life! Taken out and replaced with

                                                  conventional sapphire jewel, and new mixing disc                         BZ


1324.14     Fri Aug 5, 2016           HP whip pipe replaced with new one (this one was the one

                                                   Matt Sl. refurbished. Will give it back to him and see if he can

                                                   do that again. Spare part number is 304 829 - 96"                         BZ


1321.51     Thur Jul 28, 2016        Filter change coarse and fine                                                        BZ


1307.71     Fri Jul 15, 2016           Swivel joint ("bulkhead swivel") next to HP pump (aka,                BZ

                                                  at the other end of the flexible pipe or "whip") rebuilt with

                                                  kit # 301 665


1271.51    Wed. June 01, 2016     Swivel joint rebuilt above nozzle, on off valve                               BZ, MR    

                                                  above nozzle rebuilt


1266.86    Thur May 19, 2016       Pump rebuild complete all cylinders but without

                                                   valve units. Cooling collar shaft seals replaced. Last chance filter.  BZ


1259.04     Fri May 06, 2016          Filter change, coarse and fine                                                         BZ


 

1249.27    Mon April 18, 2016     Mixing tube and disc, last chance filter                                             BZ


1231.66     Tues March 15, 2016   High pressure tubing above nozzle, vertical piece 16" long

                                                   from elbow to swivel fitting replaced                                             BZ                                                      


1183.48     Wed Dec.30, 2015       Dump valve needle seal replaced. Old needle and old seat

                                                   re-used.                                                                                          BZ


1168.35     Fri Nov 20, 2015          Tank cleaning                                                                                BZ, MR and Ben McL.

                                                   Filter change, coarse and fine                                                  BZ


1147.56     Mon Aug 17, 2015       HP elbow block on top of nozzle unit replaced (the one that

                                                    the flexible "whip" connects to                                                         BZ


1098.09     Thur July 2, 2015         HP "whip" pipe (the one that gets bent around a lot) pin hole

                                                    leak - fixed by cutting shorter and re-threading (Matt S. from

                                                    machine shop did it)                                                                          MS, BZ   


1096.88     Mon June 29, 2015       Cylinder #3: Dynamic pressure seal rebuild, check valve assembly

                                                    ring seal # 301369 replaced, filter change, new pH neutralizing

                                                     filter insert installed for first time                                                       BZ


1092.67      Fri June 19, 2015          On/off above nozzle: needle and seat replaced, but

                                                     re-using seal kit                                                                       BZ


1060.37      Mon Apr 13, 2015         On/Off valve (above nozzle) repaired with new seal kit           BZ

                                                     but re-using older needle and seat


1045.09      Tue Mar 31, 2015          Mixing disc and -tube replaced, last chance filter                    BZ


1015.27      Fri, Feb13, 2015            On/off valve complete kit done                                                BZ, MR


1012.65      Fri, Feb 06 2015            Filter change, coarse and fine                                                  BZ


973.64        Mon Nov17, 2014          Dump valve seal only replaced, #302094 (grey sleeve plus white

                                                       ring plus silicone o-ring), keep using needle and seat           BZ


967.92        Fri Oct 31, 2014             New mix.disc, mix.tube and last chance filter, photo

                                                       taken of diamond orifice (looks still very good)                    BZ


949.02        Fri Sept. 26,2014            Tank dig                                                                               MR & BZ


948.51        Tues Sept 23, 2014         Filter change, coarse and fine                                                  BZ


943.46        Thur Sep 11, 2014          Filter change, coarse and fine                                                  MR


930.05        Thur Aug 07, 2014          HP pump manifold, minor pump rebuild, manifold filter,

                                                             new port adapter, coarse and fine filters. Pump operating

                                                             pressure now permanently lowered to 44000psi.                  BZ


926.84        Wed July 30, 2014       T fitting for HP safety and 3" HP nippel replaced                  BZ


920.74        Wed July 24, 2014        Coarse and fine filters, HP-T fitting and 10" long 3/8"        BZ

                                                          nippel near pump head / in run to gantry replaced (leak)

                                                          (nippel: 301337-10, T: 201526 )


901.16        Thur July 03, 2014        Coarse and fine filters replaced                                                  BZ


877.90        Fri  May 09, 2014           Dump valve jewel (302028-13) replaced.                                 BZ


871.10        Wed May 07, 2014         New PC with Win 7 in 64bit installed                                      BZ


861.22        Tues Mar 25,2014          High press tubing section 12" long horizontal (right

                                                            outside pump housing) replaced                                               BZ


859.26        Tues Mar 11, 2014         High press C tubing and elbow above nozzle replaced,

                                                           new coarse, fine and last chance filters, new mixing

                                                           disc and mixing tube                                                                        BZ


845.27        February 17, 2014        High press. safety val. and both on/off valves rebuild            BZ


804.70        October 30, 2013         Coarse and fine filters                                                                       BZ


801.3          October 23, 2013         Mixing disc and mixing tube, last chance filter                 BZ


788.3          Sept. 05, 2013             Tank cleaning                                                                    MR, BZ


782.8          August 27, 2013          Coarse and fine filters                                                        Mark Reynolds


775.23         August 09, 2013         Coarse and fine filters                                                         BZ


771.19         August 06, 2013         Mixing disc and tube, last chance filter                               BZ


766.14             July 31, 2013         Coarse and fine filters                                                          BZ


755.00             July 23, 2013         Coarse and fine filters                                                          MR


744.51             July 08, 2013         Coarse and fine filters                                                          BZ, MR


729.56            June 25, 2013         Coarse and fine filters, charge pump noise is                      BZ

                                                    increasing...


716.06            May 28, 2013          Coarse and fine F, mixing tube, rubber muff thing                BZ

                                                    [charge pump is making noises periodically,...bearings?? ]


697.59            April 12, 2013         Tank cleaned                                                                         BZ, MR


656.89            Dec.04, 2012           Mixing disc, mix. tube and last chance filter                         B.Z.


655.65            Nov 30, 2012           Filters coarse and fine changed                                            B.Z.


652.13            Nov 22, 2012            Software update from v12 to v18                                          B.Z.


639.23            Sept 19, 2012          Tank cleaned


629.30         August 22, 2012          New coarse and fine filters                                                       B.Z.


613.39             July 20, 2012          New filters, last chance filter, mixing disc. Coolant circuit checked

                                                     and flow reducer fitting for middle cylinder cleaned (was partially

                                                     clogged), new garnet feeder tube                                              B.Z. 


589.31             June 15, 2012        Garnet delivery (2 weeks ago), tank cleaned, some slats

                                                     replaced, others rotated                                                              B.Z. 


588.87             June 13, 2012        New mixing tube                                                                          B.Z. 


580.20              May 18, 2012         New mixing disc                                                                           B.Z.


574.13              May 01, 2012         Removed blockage from impedance fitting feeding cooling water to

                                                     HP pump cylinders (middle cylinder). New keyboard. Acrylic splash                                                      screen.                                                                                      B.Z.


548.96              Mar 20, 2012          Nozzle rebuilt, with (real) diamond, mixing disc and -tube       B.Z. 


545.37              Mar 09, 2012          Garnet delivery, tank cleaned, slats replaced/rotated             


539.98              Feb 27, 2012          Pump manifold (#301350) replaced, seal items replaced 3x (300735

                                                     stat.backup ring,300733 static seal,200909 o-ring, 301639ring seal) plus

                                                     jewel and mixing disc                                                                  B.Z. 


520.50              Jan 03, 2012          High pressure line above nozzle (the bendy part) replaced, 96" long,

                                                     max # 304 829-96, US $303                                                              B.Z. 


518.25             Dec 22, 2011          Dump valve and main valve (above nozzle) re-built, new last chance

                                                    filter (rebuild kit # 301 927)                                                               B.Z. 


503.98             Nov 17, 2011          Tank cleaned   


502.5               Nov 10, 2011          Pump rebuilt, major maintenance kit # 302701, all filters

                                                     Recommendation: Tighten retainer nut (# 303293) on check valve

                                                     assembly to 140 in-lbs only, not 200 as spec'd in Omax manual.      B.Z. 


501.13             Oct 28, 2011           New mixing disc, jewel inspected                                                     B.Z. 


497.67             Oct 20, 2011           New mixing tube (#300766-030)                                                          B.Z. 


489.20             Sept 14, 2011          Nozzle rebuilt, last chance filter, jewel, mixing disc                        B.Z. 


475.39              Aug 08, 2011           Two coarse filters and two fine filters (inside pump) changed         B.Z. 


440.71              July 08, 2011           All Filters changed, nozzle rebuilt including jewel, mixing

                                                      disk and tube


427.45              June 17, 2011           Got 1 pallet of garnet / 40 bags


403.94              April 08, 2011          All Filters changed, nozzle rebuilt including jewel, mixing

                                                      disk and tube, on-valve re-built with kit # 301 927


402.92              April 5, 2011           Tank Cleanup Dig


399.89              March 18, 2011       Tank Cleanup Dig


395.04              Feb 23, 2011            Water level solenoid (lowering action) cleaned to fix dropping water

                                                       level issue.


394.98              Feb 22, 2011            New Keyboard! The old one is with the manuals, in case it's needed.


392.10              Feb.4, 2011              Mixing tube rotated


390.94              January 31, 2011      Leaky HP line above nozzle between swivel bulkhead and 90deg elbow

                                                        replaced - Omax #301337, $80 (length 16.75")


370.98              October 29, 2010      Nozzle rebuilt. New jewel, mixing disc, mixing tube (old tube was broken)

                                                           

                                                        Jewel:          new                                     old

 

                   

         Mixing Disc: new                        old (bottom side)                    old (top side) 


355.38              August 19, 2010       Tank Cleanup Dig


349.13              July 29, 2010            On/Off valve body (#301 477) replaced

                                                        stem seal assembly (#301 927) again replaced


348.50              July 28, 2010            Filter change, w/o last chance filter


338.36              July 15, 2010            High pressure line to on/off valve above nozzle replaced  ( #303 245 )


335.86              July  08, 2010           New nozzle: jewel + mixing tube and disc

                                                        On/off valve above the nozzle rebuilt (same valve as dump valve, seen below)


327.60              June 30,2010            All filters changed, mixing tube rotated


299.99              April 13, 2010            Dump valve rebuilt

                                                        broken valve stem seal assembly seen in foreground


288                  March 09, 2010          All filters, new mixing disc, jewel, mixing tube


 

-----------         Dec. 10/11, 2009         Garnet Cleanout


 

 

                                 

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