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AM5K User Manual Rev Q Oct 2007 Page 13 of 44
4.3 MONTHLY MAINTENANCE
Visually inspect the interiors of the electrical connectors for the encoders and
electronic load axle for dirt and evidence of insulation breakdown. Clean or
replace as necessary. Install dust caps on the connectors if the cables are
removed.
Manually rotate each wheel by hand to verify its condition. Inspect the depth
measuring wheels for signs of abnormal wear, diameter changes, or
shaft/bearing play that can affect measurement accuracy. The wheel should be
replaced if it is grooved more than .005". The wheel should be 7.639 / 7.640"
(194 mm) in diameter with a 24" circumference (609.6 mm).
Inspect the tension wheel for signs of abnormal wear, diameter changes, or shaft
and bearing play that could affect tension measurement accuracy. The shallow
groove tension wheel (item 33 in section 6.1 of this manual) should be 5" in
diameter at the bottom of the groove. It should be replaced if it is worn more
than .010".
The deep grooved tension wheel (item 33 in section 6.1 of this manual) should
be 4.375" in diameter at the bottom of groove. It should be replaced if it is worn
more than .010".
Inspect the two grooved guide wheels on either side of the tension wheel (items
34 in section 6.1 of this manual). They should be 4" (101.6 mm) in diameter
(bottom of groove). They should be replaced if they are worn more than .010".
NOTE: If the tension wheels or guide wheels mentioned above are worn
more than .010” then the tension reading will be less than the actual line
tension. The amount of error is relative to the amount of wear.
Grease all the wheels and bearings that are fitted with a flush mount grease
fitting (see following diagram). Use a water-proof, marine grade grease. An
inverted grease nozzle (p/n AM5KP130) is supplied with each head. This nozzle
will fit any standard grease gun.
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