Manual

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Service Instruction Sheet

Introduction

These instructions are intended for use with standard comparator rebuild kit (PN 4138) or the

Skydrol rebuild kit (PN 4158). Both rebuild kits contain all of the parts and tools required to rebuild

the GaugeCalXP™ pressure comparator. Rebuilds should be performed only by qualied personnel.

Following service instructions are for the standard comparator rebuild kit (PN 4138). If rebuilding the Skydrol

GaugeCalXP, cross reference the appropriate o-ring part numbers in the Parts List located on the last page.

Service Instructions

1 Remove all gauges and ttings from the

GaugeCalXP pressure comparator (gure 1).

2 Tip the comparator on its end to completely

drain the water or oil from the system.

Always dispose of uids in a responsible

manner.

3 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 2018)

(gure 2).

4 Remove the press-t Reservoir Vessel,

and replace the lower seal o-ring (PN 3303

or PN 3376) (gure 2).

Note:The GaugeCalXP is assembled with

a Reservoir o-ring in one of two sizes. Com-

pare your o-ring to the illustrated parts list

on page 6, to determine the appropriate

replacement size for your unit.

5 Use a 4- or 5mm Allen key to remove the

Handle Assembly bolt and washer(s), then

pull to slide the Handle Assembly from the

Piston Assembly (gure 3). Be sure to also

remove the Key from the Piston Assembly

Leadscrew (gure 3).

PRESSURE COMPARATOR

10000PSI–700bar

Gau

eCa

lxp

™

Figure 1

Figure 2

Figure 3

C R Y S T A L

engineering corporation

PSI

250

0 300

100

Gauge

Base

Reservoir

O-ring

(PN 2018)

O-ring

(PN 3303)

(PN 3376)

Handle

Key

Leadscrew

DESIGNED FOR USE WITH CRYSTAL PRESSURE FITTINGS

Summary of content (8 pages)

PAGE 1
GaugeCalxp DESIGNED FOR USE WITH CRYSTAL PRESSURE FITTINGS ™ PRESSURE COMPARATOR 10000PSI–700bar Service Instruction Sheet Introduction These instructions are intended for use with standard comparator rebuild kit (PN 4138) or the Skydrol rebuild kit (PN 4158). Both rebuild kits contain all of the parts and tools required to rebuild the GaugeCalXP™ pressure comparator. Rebuilds should be performed only by qualified personnel.
PAGE 2
Page 2 • GaugeCalXP Service Instruction Sheet 6 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. Bearing Block 7 Use a 4mm Allen key to remove the two (2) cap screws holding the Bearing Block to the Baseplate (figure 4).
PAGE 3
GaugeCalXP Service Instruction Sheet • Page 3 12 To remove the three (3) stainless steel Guide Rods, insert the 4mm 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). Piston Shaft When the final Guide Rod has been removed, the Main Seal Block will fall away from the Manifold Block. 13 From the front of the Main Seal Block, remove the o-ring (PN 3131) and the backup ring (PN 3151) (figure 10).
PAGE 4
Page 4 • GaugeCalXP Service Instruction Sheet 16 Remove the MPF-1/4FPT and MPM-MPM fit- tings from the Rear Gauge Base. Use a 5mm Allen key to remove the four (4) cap screws holding the Rear Gauge Base and its o-ring (PN 4114 or 3130) from the top of the Manifold Block. Remove the o-rings (PN 3981) from the MPF fitting on both the Gauge Base and the MPF-1/4FPT. Repeat for Front Gauge Base.
PAGE 5
GaugeCalXP Service Instruction Sheet • Page 5 23 From the front of the Fine Adjust body, remove the o-ring (PN 3129) and the backup ring (PN 3150) (figure 18). Note: The o-ring and backup ring may be firmly seated in the Fine Adjust body. If so, they can be extracted with a pair of tweezers or other appropriate tool.
PAGE 6
Page 6 • GaugeCalXP Service Instruction Sheet Parts List 3129 6.07mm x 1.78mm 0.239in x 0.070in 4165 2018 QTY 1 4168 3981 QTY 6 9.25mm x 1.78mm 0.364in x 0.070in 4140 QTY 4 9.52mm x 1.78mm 0.375in x 0.070in QTY 12.42mm x 1.78mm 0.489in x 0.07in Sizes to Scale 4114 4152 2 3131 4163 QTY 1 15.1mm x 2.7mm 0.594in x 0.106in 3130 4162 21.94mm x 1.78mm 0.864in x 0.070in 3303 or 3376 QTY 3 21.82mm x 3.53mm 0.859in x 0.
PAGE 7
GaugeCalXP Service Instruction Sheet • Page 7 Routine Flushing If a complete rebuild is not required, flushing the GaugeCalXP 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
CRYSTAL engineering corporation © 2010 Crystal Engineering Corporation 708 Fiero Lane, Suite 9, San Luis Obispo, California 93401-8701 PN 4139 Rev C