3M 800ab manual

Troubleshooting

Troubleshooting Guide
Problem	Cause	Correction
The tape leg on the front of the	The tape is threaded incorrectly	The tape must go around the wrap
case is too long		roller before going around the
		one-way tension roller
	The tape tension is too low	Adjust the one-way tension roller
	The knurled roller drags	Check for adhesive build-up
		between the knurled roller and its
		shaft. Clean and lubricate shaft.
		Remove all lubricant from roller
		surfaces.
	Tape tracks to one side or drags	Adjust the tape web alignments
	on the support tabs of applying
	frame

The one-way tension roller is not correctly positioned

Position the roller in its mounting slot so that the tape extends just beyond the center line of the applying roller

	Taping head is not set up properly	Check leg length adjustments
The blade does not cut tape or the	The blade is dull and/or has	Replace the blade
tape end is jagged or shredded	broken teeth
	Tape tension is insufficient	Increase tape tension by adjusting
		the one-way tension roller
	Adhesive has built up on the blade	Clean and adjust the blade
	The blade is not positioned	Make sure the blade is bottomed
	properly	out against the mounting bolts
	The blade is dry	Lubricate the blade oiler pad on
		the blade guard
	The blade is in backwards	Mount the blade so that the
		beveled edge is away from the
		entrance of the head

One or both cutter springs are missing or stretched

Tension roller surface is not fully contacting the taping head frame

Replace the defective spring(s)

Make sure one-way bearing is below the surface of the tension roller. If not, press bearing further into roller or replace roller.

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AccuGlide 3 Taping Head - 2"	2009 February