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Crystal GaugeCaLXP Service Instruction Sheet

Pressure comparator 10000psi–700bar

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Gau
eCa
G
Service Instruction Sheet
Introduction
These instructions are intended for use with comparator rebuild kit (
adjust kit (
3205). Rebuild kit 3143 contains all of the parts and tools required to rebuild the
PN
GaugeCal
pressure comparator, while kit 3205 contains the parts and tools required to install
XP
the optional fine adjust. Rebuilds and installation should be performed only by qualified personnel.
Service Instructions
Remove all gauges from the GaugeCal
1
pressure comparator.
2
Remove any gauge or stem adapters from
both the flange stem and gauge base.
(figure 1).
Tip the comparator on its end to completely
3
drain the water, oil, or isopropyl alcohol from
the system. Always dispose of fluids in a
responsible manner.
Use a 3mm Allen key to remove the two (2)
4
cap screws securing the Reservoir to the
Main Seal Block, then lift to remove the Res-
ervoir and Reservoir o-ring (
(figure 2).
Remove the press-fit Reservoir Vessel, and
5
replace the lower seal o-ring (
(figure 2).
6
Use a 5mm Allen key to remove the Handle
Assembly cap screw and washer, then pull to
slide the Handle Assembly from the Piston
Assembly (figure 3). Be sure to also remove
the Key from the Piston Assembly Leadscrew
(figure 3).
C R Y S T A L
engineering corporation
LXP
PRESSURE COMPARATOR
10000PSI–700bar
XP
Figure 1
1959)
PN
Figure 2
3033)
PN
Figure 3
3143) and with the fine
PN

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Summary of Contents for Crystal GaugeCaLXP

  • Page 1 ™ PRESSURE COMPARATOR 10000PSI–700bar Service Instruction Sheet Introduction These instructions are intended for use with comparator rebuild kit ( 3143) and with the fine adjust kit ( 3205). Rebuild kit 3143 contains all of the parts and tools required to rebuild the GaugeCal pressure comparator, while kit 3205 contains the parts and tools required to install ™...
  • Page 2 Page 2 • GaugeCal Service Instruction Sheet Turn the comparator over to gain access to the underside of the Baseplate. Be aware that water or other test fluid may still be present in the system, and may drain out as the comparator is turned over. Use a 4mm Allen key to remove the two (2) cap screws holding the End Block to the Baseplate (figure 4).
  • Page 3 GaugeCal Service Instruction Sheet • Page 3 To remove the three (3) stainless steel Guide Rods, insert an Allen key into the hole in the side of each rod, and then pull to the left (counter-clockwise) to loosen and unscrew each one (figure 9).
  • Page 4 Page 4 • GaugeCal Service Instruction Sheet Use a 5mm Allen key to remove the four (4) cap screws holding the rear Gauge Base to the top of the Manifold Block, then lift the Gauge Base and its o-ring ( 3130) from the Manifold Block (figure 12).
  • Page 5 Accessory Cap located on the other side of the Manifold Block. Follow the procedure outlined in step 25. Clean all of the parts. Crystal recommends you use an ultrasonic bath and an appropri- ate cleaning solution. In addition, we recommend that you use a round brush to clean the piston hole in the Manifold Block.
  • Page 6 Page 6 • GaugeCal Service Instruction Sheet 3143 Parts List 1734 O-ring 1959 O-ring 3129 O-ring 13.94mm x 2.62mm 9.25mm x 1.78mm 6.07mm x 1.78mm 0.549in x 0.103in 0.364in x 0.070in 0.239in x 0.070in 3130 O-ring 21.94mm x 1.78mm O-ring 21.82mm x 3.53mm 3132 O-ring...
  • Page 7: Flushing Instructions

    GaugeCal Service Instruction Sheet • Page 7 Routine Flushing If a complete rebuild is not required, flushing the GaugeCal can serve as a quick and simple way to remove small amounts of dirt or sediment from the system. Flushing can also be used to ensure that any air is removed from the system prior to performing a calibration test.
  • Page 8 C R Y S T A L engineering corporation © 2005 Crystal Engineering Corporation 708 Fiero Lane, Suite 9, San Luis Obispo, California 93401-8701 PN: 3175—Rev A...