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