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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