Section 3 parts replacement, Load cell replacement, all models, Section 3 – Hardy Enviro Bench Scales User Manual

Page 5: Parts replacement

Advertising
background image

30277

PLATFORM ASSY, HARDY 10x10 - 25# CAP

HIWDPS1010-0025

25

30278

PLATFORM ASSY, HARDY 12x12 - 30# CAP

HIWDPS1212-0030

30

30279

PLATFORM ASSY, HARDY 12x12 - 50# CAP

HIWDPS1212-0050

50

30280

PLATFORM ASSY, HARDY 18x18 - 50# CAP

HIWDPS1818-0050

50

30281

PLATFORM ASSY, HARDY 18x18 - 100# CAP

HIWDPS1818-0100

100

29972

Instrument Assy-IP69 Hardy

HICWM

NA

Section 3 Parts Replacement

Load Cell Replacement, All Models

1. Remove power to the scale.
2. Gain access to the load cell cable.
3. Disconnect the load cell cable from the indicator.

Note: The color and location of the load cell wires.

4. Remove the Bench Scale cover and the locator plate.
5. Remove the bolts holding the "spider" to the load cell. Remove the "spider", the

load cell cover, and the upper load cell block.

6. From the underside of the Bench Scale, remove the load cell mounting bolts.
7. Remove any tie wraps securing the load cell cable to the base.
8. Remove the old load cell and the lower load cell block.
9. Clean all parts before assembling and use an anti-seize product on all bolts.
10. Place the lower load cell block under the new load cell and secure it to the bottom

of the Bench Scale using the load cell bolts.

11. Route the load cell cable through the hole in the bottom of the Bench Scale.
12. Replace the upper load cell block, the load cell cover and the "spider" and secure

with the bolts.

13. Replace the locator plate and the Bench Scale cover.
14. Connect the wires to the indicator.

Description

Wire Color

Description

Wire Color

Excitation (-)
Excitation (+)
Sense (+)
Sense (-)

Black
Green

N/C ---
Shield
Output (+)
Output (-)


Shield
White
Red

15.

Recalibrate the indicator as necessary.

12/09

2 0596-0316-01

Rev

B

Advertising