AW Gear Meters JVHS-XXKG - Manual

AW Gear Meters 8809 Industrial Drive, Franksville, WI 53126  web: www.awgearmeters.com
 Tel: 262-884-9800  Fax: 262-884-9810  Email: [email protected]
REV. 05/24/12 JVHSXX-KG.DOC
MAINTENANCE GUIDE FOR THE JVHS-XXKG FLOW METER
Cleaning, inspecting or repairing a JVHS-KG Series gear flow meter is easily accomplished by
following the procedures below.
1. The JVHS-xxKG series meters use Xylan coated M10 Hex Flange Bolts
(1). Loosen them using a 15mm socket wrench. Keep the 2 opposing
bolts near the Locating Pins (5) engaged by a few threads to avoid
stress on the shafts and the locating pins during housing separation.
Please note the orientation of the Upper and Lower housings with
respect to each other so that the meter is reassembled the same
way.
2. Holding the Upper Housing (2), gently tap on the top of the 2 opposing
bolt heads to separate the Upper Housing (2) from the Lower Housing
(8). Do NOT use chisels or screwdrivers to split and pry apart the
housings. This can cause damage to the meter bodies and meter
internal parts.
3. After separation, remove, clean and inspect the gear assemblies (4) and
shafts (3). Clean out the o-ring groove, shaft holes and meter cavity.
IMPORTANT: The gear assembly consists of two bearings (4a), the
Gear (4b), and a Bearing Spacer (4c). These parts are loosely fitted
and can fall out. These parts are matched together and careful
attention MUST be made to their orientation and location as they
MUST be replaced the exact way they were.
4. After cleaning all parts completely, the Gear Assemblies (4), Shafts (3)
and Locating Pins (5) can be reinserted. Check for free and easy
rotation of the gears.
5. Replace the O-Ring (7). PTFE o-rings should always be replaced.
FKM o-rings can be reused if they are not damaged.
6. During reassembly keep the meter housings as parallel as possible.
Make sure the housings are orientated the same way they were prior to
disassembly.
7. Replace the Bolts (1). Torque the bolts to 24ft/lbs. NOTE: Torque
spec is for dry bolts. DO NOT lubricate bolts prior to installation.
Do not force the meter housings together. Do NOT use a hammer or
other such device. Over tightening will not cause damage to the meter,
but may fatigue the bolts and/or restrict the operation if internal surfaces
are not completely clean.
8. After reassembly, gently blow air through the meter so the gears spin.
This should be clearly audible given a moderate background noise level.
ENGLISH
. XXXX +/- .0005
.XXX +/- .001
.XX +/- .005
FRAC. +/- 1/64
ANG. +/- 1/2 DEG
SURFACE FINISH: 64 MAX
TOLERANCES UNLESS NOTED
THIS PRINT, INCLUDING THE INFORMATION
CONTAINED IN IT IS THE PROPERTY OF AW COMPANY.
IT IS CONSIDERED PROPRIETARY IN NATURE AND
MAY NOT BE USED OR DISCLOSED OUTSIDE OF
AW COMPANY, EXCEPT UNDER PRIOR WRITEN
AGREEMENT. ANY MODIFICATIONS MADE TO OR
COMMENTS WRITTEN ON THIS DRAWING
BY UNAUTHORIZED PERSONNEL WILL VOID
THIS DRAWING. ALL DIMENSIONS SHOWN
ARE SUBJECT TO CHANGE WITOUT NOTICE.
AW COMPANY USE ONLY
TITLE: --
PART NUMBER: --
DRAWING NUMBER: JVHS-20KG Exploded
DRAWN BY: --
REV:
DATE: 2/2/2006
CHECKED BY: -- PAGE: 1 OF 1 SCALE: 1:2
AW COMPANY
8809 INDUSTRIAL DR.
FRANKSVILLE, WI 53126
TEL. # (262) 884-9800
FAX. # (262) 884-9810 PURCHASED PART
NOTES:
MATERIAL: -- 1.
BREAK EDGES MAX .005" 2.
ALL PARTS MUST BE CLEAN AND FREE OF PARTICLES. 3.
REV. DESCRIPTION DATE BY
1
2
3
4
5
7
8
4a
4a
4c
4b
M8
MOUNTING
HOLE
JVHS-20KG SHOWN