KNIGHT SMART CART OPERATION MANUAL
SECTION 4
MAINTENANCE
18
D. Roller Chain Gauge Inspection Process
•
If your cart uses Roller Chains, they should be cleaned for inspection,
using any cleaning method that will not cause damage.
1. Close gauge to confirm calibration:
Check the calibration by closing the slide fully.
2. Read the ‘Percentage Wear’ window:
When the gauge is fully closed, if the black arrow
moves into the ‘+’ or ‘-‘ zones, the gauge will not
give an accurate measurement and should NOT be
used. Similarly, if the ‘V’ jaws are damaged the
instrument may also not perform accurately.
3. Identify the pitch:
Align the red arrows within the center of the pins on
ONE of the OUTER link plates. Depending on ease
of access, one pair of arrows will be more suitable
than the others.
The normal pitch will appear in the ‘Pitch’ window.
The number of pins (n) that the chain is to be
measured over will appear in the ‘Measure over
pins’ window.
4. Select the Correct side of the gauge:
Select the correct scale according to pitch size.
Once the pitch is determined, the number of pins to
measure is displayed.
Knight’s Roller Chain uses the “A Scale” side.
NOTE: “A Scale” side = 3/8”, ½”, 5/8”, ¾”, 1”, 1 ¼”,
1 ½”, 2 ½”, and 3”.
“B Scale” side = 1 ¾” x 2”
Continued on next page
Pitch
Measure
over pins
Red
Arrows
