New Holland T8010 Manual page 1138

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Section 50 - Climate Control - Chapter 2

Two methods can be used to measure and adjust the

air gap between the clutch plate and pulley:

Magnetic Dial - Mount a magnetic base dial indicator

on the outer face of the pulley so that there is no

interference with the clutch plate. Apply battery

ground to compressor body and 12V B+ to clutch

wire lead. Position the dial indicator pointer on the flat

surface on the outer diameter of the clutch plate

midway between any two outer rivets or on one of the

outer rivet heads. Clutch plate travel should measure

from 0.016 to 0.031 inch (0.41 to 0.79 mm). This

measurement should be taken between each of the

three rivets or on each outer rivet head to get an

average measurement. If necessary, lightly lift or

push down on plate to even the gap.

Spark Plug Gauge - If a dial indicator is not available

to check air gap clearance, a spark plug gauge with

90° wire feelers may be used to check initial air gap

in the field. Slip the wire between the clutch plate and

the pulley and check the gap at the three rivets. The

gap must be 0.016 to 0.031 inch (0.41 to 0.79 mm).

The gap must be even all the way around the plate. If

necessary, lightly lift or push down on the plate to

make the gap even.

NOTE: If the gap does not meet the above

specifications remove the front plate and add or

subtract clutch shims as required.

Install the clutch dust cover.

Chapters

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T8020 T8030 T8040