0554735 Larkin Industries

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What Arrived: Showed up on dock, delivered by pickup truck 10 am 11/21/24 Red tag says screen not light (Machine Serial Number:0732-06465)
Description of Problem: MFT 250 IP XED HC Serial Number 0732-06465 "Machine B" 4.2.37-50 Software (2) 30mm SE S Feed Belts 1199300 (2) 30mm SW 85D PN 4125600 (2) 20mm HC XED Discharge Belts (2) Prod Support Rod ASSY (1) Set Mag Side Guides (1) Set Discharge Side Guides (1) J2 Adapter Cable (1) E/R Pair 7007400 (1) Interlock Plug
Work Done: Motor reached 200F. Not booting up. Failed boot up 3 times in a row. Pulled Computer Board and it also failed boot up on test fixture. Board had date of May 2007, so was the original Computer board. Replaced with Computer Board SN 2c15eb, and it booted. Updated serial number tag in box. Motor already unloaded from Mechanics, motor is certainly damaged. Shaft wobbles, and motor sounds terrible. Passed Diagnostics except for weak E/R pair. Felt ok with a 25MPM Burn in w/ motor unloaded. Started that 48 hour burn in. Will need mech evaluation, and heat gun test next week. DTK 11/27/24 Ran heat gun test twice and failed both. Recovers in about 3 minutes. DEK 2 dec 24 1150600 worn rounded edges, adds backlash. vertical play in left discharge sliding block. Left SW block ok. Both rt sliding blocks OK Vert height adjust linkage fine. Upper and lower discharge roller have deep grooves and lots of abrasion. Upper is worst. Discharge pulleys and SW look OK. upper and lower fan/ filter OK Melted black divots on both lower HC belts. Left upper discharge belt stretched and wavy. Replace discharge belts. Clear/cancel key intermittent Went through several iterations of revising quote for motor size and bearing life. Sent final quote iteration 5 Dec 24 DEK Received PO 12/10/24 Disassembled feeder for repair. Removed both bearing housings, Motherboard. Discovered that when a J motor is connected to a Gen2 which has motor connectors, the J motor pigtail gets the grey, brown and white wire pairs reversed so that white and white/blk swap pin positions, etc. Did test mockup with connectorized gen 2 test box and a jmotor from stock with swapped pairs, and an alpha with unswapped pairs and bothe count up properly in motoer encoder diagnostic and jog. Will wire new non-connector j motor with swapped pins on the larger encoder housing to duplicate this wiring. For validation, this is also how a 7105076 impresso II motor gets connected directly to a gen3 motherboard. DEK 12 Dec 24.schematics in project folder Mounted Bearing housings reworked by Erickson, and internal mechanical pulleys. Squared-up unit, had to add 2 missing crossbars to help stiffen. Right Rear corner kept wanting to lift. DEK 17 DEC 24 Mounted J motor in position, ran drive and encoder cables through strain releifs and cut to length inside cabinet. crimped 26 ga connector pins and placed in encoder housing with grey, white, and brown pairs "flipped" from what straight alpha connections were in order to emulate what is done if a buklhead connector is attached to a j motor. DEK 18 Dec 24 David replaced AC detector on MB twice to get one that worked. Eventually tied open collector output to it's ground to make stable. Cleaned and remounted original center piece shafts, pulleys, feedbelts (with original shims, no marking on feedbelts), stripper wheels and upper HC discharge belts. Remounted height adjustment shafts and synchronized sides. Initiated overnight Burn-in. 19 DEC 24 Paused BURN-IN AT 12 HRS, 15 MIN to repair intermittent motor fan connector connection Changed gear fraction to 100 upper, 76 lower to correct speed without changing motor encoder counts. Motor gearing left at Medium. Created SO 046469 to ship by Customer pickup. Phoned Joe 1:51 to let know ready to pickup. DEK 20 Dec 24
Repair Quotation Notes: Completed By: Primary replacement part is motor. Bearing grinding noise and case overheated past 200 degrees F. New Computer board needed to boot and run system, Software card appears OK. Weak Product sensor requires replacement. Clear/Cancel button on membrane keypad is intermittent, requires replacement. Both discharge exit rollers are heavily gouged from interference with product guide. Should be replaced. Main bearings do not have play yet, but sound very gravely indicating short future. Vertical play in left bearing block and worn timing belt cause shaft movement impacting placement accuracy Broken hinge. Recommend High Performance Fan due to motor overheat.

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Edit	XID	Part Number	Serial Number	Part Name	Complete	Total Hours	Hours Remaining	Qty	Cost	Price	Discount	Cal Price	On Hand
Edit	77339	5203075		MTR SERVO 80MM J 750W KEYED	Set Complete		0 hrs	1		$3,526.00	0.00	$3,526.00	64
Edit	77443	4100120		MOTOR PULLEY SET AL MED 3322 JM	Set Complete		0 hrs	1		$582.00	0.00	$582.00	0
Edit	77419	7031400		COMP NON WINSYS TS5300W/O CHIP	Set Complete		0 hrs	1		$1,592.00	0.00	$1,592.00	-3
Edit	77335	7007600		PRODUCT SENSOR PAIR XED IP	Set Complete	0 Electrical Technician 1 Standard Production Build	1 hrs	1		$351.00	0.00	$351.00	12
Edit	77336	5311000		MEMBRANE KEYPAD MFT	Set Complete		0 hrs	1		$337.00	0.00	$337.00	50
Edit	77338	4032300		DISCH EXIT ROLLER 250 20 HC	Set Complete		0 hrs	2		$828.00	0.00	$1,656.00	2
Edit	77473	1002100		BALL BEARING 173510	Set Complete		0 hrs	10		$62.00	0.00	$620.00	41
Edit	77476	1543200		SLEEVE BRG FLANGE 0708 03	Set Complete		0 hrs	4		$4.00	0.00	$16.00	30
Edit	77444	6092700		OPTOCOUPLER LOGIC OUT 8-DIP	Set Complete		0 hrs	1		$21.00	0.00	$21.00	5
Edit	77474	1156600		TIMING BELT 051566	Set Complete		0 hrs	1		$37.00	0.00	$37.00	119
Edit	77337	1150600		TIMING BELT 9521326	Set Complete		0 hrs	1		$25.00	0.00	$25.00	124
Edit	77417	3010000		FEEDER HOUSING HINGE	Set Complete		0 hrs	1		$16.00	0.00	$16.00	50
Edit	77477	8128950		FAN ASSY HIGH PERF PKG	Set Complete		0 hrs	1		$315.00	0.00	$315.00	0
Edit	77418			RMA LABOR	Set Complete		0 hrs	16		$200.00	0.00	$3,200.00

+ denotes that software settings are available for this piece of equipment.

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