Martin Yale 1812 Bedienungsanleitung

Installation Instructions

1812 Folder Disk Clutch Retrofit Kit

Martin Yale #WRA1812510

Background: Early production Martin Yale Model 1812 Folders were originally equipped with a

spring-clutch type feed wheel clutch. These units are identifiable by the presence of a keyed feed

wheel.

Current production 1812 folders (After S.N. 1812: 39568.01122.M38, 1812230: 39566.01001.MXX,

1812UK: 39566.01001.MXX) are equipped with a friction disk type feed wheel clutch in lieu of the

previous spring-clutch. Folders with the friction disk type clutch can be identified by the presence of

bearings in the bore of the feed wheel. They can also be identified by the fact that the feed wheel on

these folders will spin freely of the feed wheel shaft in the direction that paper feeds.

This retro-kit allows a technician to convert an older unit originally equipped with the spring-type

clutch to the current disk clutch.

Parts Included: The following parts are included with the WRA1812510 Clutch Retrofit Kit.

(1) M-S027951 Clutch Retro-Kit Instructions (this document)

(1) M-S001540 8-32 X 7/8 Truss Head Screw

(1) W-O2051368 Black Oxide Feed Wheel Shaft for Disk Clutch

(1) W-O2051369 Clutch Feed Wheel

(1) W-A2051085 Disk Type Feed Clutch Assembly

(1) M-S008126 #8 X .75” OD Fender Washer

(1) M-S010039 5133-18 E-Ring

(1) M-S045339 1812 Processor

(1) M-S019032 1/4 X 3/8 X .17ID Standoff

(1) M-S007006 8-32 Kep Nut

(2) M-S043021 .10 X 4 Blk Wire Tie

Tool List:

#2 Phillips Screwdriver-Medium Length

#2 Phillips Screwdriver-Short Length

Wire Cutters-Small to Medium Sized

11/32” Nut Driver, Socket/Ratchet/Extension, or Wrench

Flat Bladed Screwdriver-For Removal and Installation of E-Rings

Flat Bladed Screwdriver or Pen-Knife Blade-For Electronic Chip Removal on Logic Board

9/64” Hex Wrench

WARNING: Before any work is attempted on folder, assure that folder is disconnected

from power source by either removing the power cord or locking out the power source.

1) Remove (9) screws from the rear folder side cover (cover WITHOUT the operator panel in it) and

remove cover. This will expose the clutch mechanism See picture below for reference.

(1)

2) Locate existing spring-clutch using the picture below as a guide. Disconnect its electrical connec-

tor and (2) mounting Kep Nuts using a 11/32” nut driver or socket. If the machine to clutch connector

is wire-tied together, it may be necessary to cut that wire tie with a pair of wire cutters. Remove the

spring clutch assembly and discard.

3) Remove (4) E-Rings from Feed Shaft being careful not to lose them as they will be re-used. (2)

hold the Feed Wheel in position & (2) are located near the sideframes. Slide feed shaft out of folder

through sideframe with removed side cover. Be careful not to lose plastic washers as they will be re-

used. Remove old feed wheel and key and discard along with the Feed Shaft.

4) Locate new Feed Shaft in Retro-Kit. Push shaft end opposite of small journal into rear sideframe

in the opposite manner of the removed one. Flat end of Feed Shaft is inserted first.

Remove (2) 8-32 Kep Nuts and Dis-

connect Wire to Remove Spring

Clutch From Sideframe

Locations of (4) E-Rings

to be Removed Sliding Feed Shaft Out of Folder

(2)

Rear View of 1812 with Cover Removed

5) As Feed Shaft is inserted through sideframe, place a single plastic spacer (washer) on shaft.

While holding the new Feed Wheel over retarder with the brass center bearing located towards the

OPERATOR side of folder, push feed shaft through the Feed Wheel. Once the Feed Shaft clears the

Feed Wheel, place other plastic spacer on shaft and continue to push shaft into the operator side-

frame. Installation may be easier if the tension on the paper retarder is relieved during this process

by turning the retarder adjustment fully clockwise.

6) Push both plastic spacers to their corresponding side frames. Once both plastic spacers are in

their proper locations, the 4 E-Rings removed in step #3 above may be re-installed.

7) Remove the top cover grommet-stop screw on back side frame and replace with the longer one in-

cluded with retro-kit. Older machines may have a pressed stud in this location. If this is the case, drill

out that stud and replace with screw, standoff, and nut as shown in pictures below.

New Feed Shaft Being Slid Into Folder

(4) E-Rings To Be Installed in

These Locations

(3)

Installing New Feed Shaft into

Folder---Note Orientation of Small

Journal on End of Shaft. It Goes

Towards the Side of Folder with

Removed Sidecover!!!!

8) Install electrical body of new clutch on feed shaft. It may be necessary to turn clutch upon installa-

tion on the small end of the Feed Shaft to get their corresponding flats to align. There is a certain

amount of ‘feel’ involved with installing the electrical portion of the clutch on the feed shaft end. Do

not attempt to force the clutch onto the Feed Shaft. When the flats of the (2) components are aligned,

the clutch will slip easily on the shaft. During this installation, orient the clutch so that its anti-rotation

lugs align with the top cover grommet screw installed in step #7 above and push clutch onto shaft as

far as it will go.

9) Install new clutch gear assembly on clutch making sure that the clutch friction disk is in assembly

(held to clutch gear assembly via permanent magnet). Mesh the outer part of the gear with the exist-

ing folder gear & push on as far as it will go.

10) Install .75” OD Fender Washer received with Retro-Kit on end of feed shaft. Then install small E-

Ring to retain clutch in position.

Installing Electric Clutch

on Feed Shaft

Clutch Anti-Rotation Lugs Aligned

with Top Cover Grommet Screw

Clutch Gear Installed on

Magnetic Clutch

(4)

Make Sure that Friction Disk is at-

tached (magnetically) to Clutch Gear

with Smooth Side Towards Gear

Grommet Stop Screw & Kep Nut Grommet Stop, Screw, and Standoff

11) Attach clutch electrical connector to machine harness. Orientation of the connectors to one an-

other is not critical. A user-supplied plastic tie may be wrapped around connectors to assure they

hold in position if desired.

12) Remove circuit board cover located directly beneath feed table exposing the circuit board. Lo-

cate program chip on board as shown in picture below. Remove this chip by prying on it with a small

flat bladed screwdriver.

13) Locate new chip included with Retro-Kit. Carefully install in folder board opposite of old chip re-

moval. Text on chip label should be oriented as shown in picture below. Assure all chip pins are in-

serted in the mounting socket while pushing chip into position. Basic static control precautions should

be taken while this operation is being performed (at the very least, ground yourself before touching

chip to eliminate static electricity).

Clutch Electric Connector---

Hook Up to Folder Harness

and Wire Tie Up

Circuit Board Cover----Remove (2)

Screws to Access Circuitboard

Carefully Remove Chip by Prying up

on Chip with a Small Screwdriver

(5)

Fender Washer and Small E-Ring

Holding Clutch Gear in Position

14) Re-install circuit board cover, folder side cover, and power cord. Re-energize power source if

locked out.

15) Turn on folder and confirm that the unit powers up. Default setting on chip included with retro-kit

is Disk-Type clutch with ‘Test’ button on operator panel. If unit is older & has an operator panel with

‘bypass’ on it and a bypass slot in the top cover, the board setting must be changed to ‘bypass’. Con-

tact M-Y tech support at 800-225-5644 for instructions on how to change 1812 board settings.

16) Reset the paper retarder which is also called a sheet separator. It is directly below the feed

wheel. Push the feed tray down and lock in the paper loading position & lift the top cover.

(6)

When Installing New Chip in Board, Carefully Align Pins on Both Sides

of Chip with Socket and Seat Chip Firmly. Do Not Force Chip and

Bend the Pins. Bent Pins May Be Straightened, but Will Require Even

More Care in Installation to Assure that They Do Not Bend Again

Make Sure To Install Chip with

the Cutout and Dot (Indicating

Pin #1) Towards the Rectangular

Capacitor. If the Chip Is Installed

Backwards, the Board Will Not

Function

New Chip Installed in Socket---

Confirm That All Chip Pins are

Straight and Installed in Socket

Press the retarder (sheet separator) release button. This will release the pressure against the Feed

Wheel and allow the technician to turn the Feed Wheel in the direction of paper feed. While the but-

ton is depressed, the Feed Wheel should turn freely.

If the retarder adjustment is incorrect, insert

the provided 9/64” hex wrench into the adjust-

ment hole. Turn the wrench clockwise to

loosen, counterclockwise to tighten.

(7)

Retarder pressure release button. When you press

this button and turn the Feed Wheel, it should turn

freely. When you release this button, you should

feel the rubbing of the retarder against the Feed

Wheel. This should be a slight drag.

17) Once satisfied with retarder setting, return unit to service. Please note on any paperwork asso-

ciated with folder that the replacement feed wheel after the clutch is updated is M-Y part #W-

O2051369. See the parts list at the beginning of document for the M-Y numbers associated with the

other parts replaced.

1812 with Disk Clutch Wiring Diagram

(8)

251 Wedcor Drive • Wabash, IN 46992

Phone (260)-563-0641 • Fax (260) 563-4575

Website: www.martinyale.com • Email: [email protected]

M-S027951

6/16/15

REV. 0

If you put one finger on each side of the retarder, you should

adjust the retarder pressure so the retarder just stops rock-

ing. If the retarder is loose, it will rock slightly. You want an

even pressure against the Feed Wheel.

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