Ricoh tr85 SPECIFICATIONS

Service Manual Trimmer TR 85

August 2000

Part No. 89004

REPAIRS/ADJUSTMENTS (REP) PAGE

REP 3.1 Front cover 3.1.1 REP 3.2 Rear cover 3.2.1 REP 3.3 Upper cover, outfeed side 3.3.1 REP 3.4 Lower cover, outfeed side 3.4.1 REP 3.5 Protective cover 3.5.1 REP 3.6 Deck plate 3.6.1 REP 3.7 Stop carriage 3.7.1 REP 3.8 Exchanging PCB 3.8.1 REP 3.9 Front panel 3.9.1 REP 3.10 Knife motor (MOT1) 3.10.1 REP 3.11 Transmission motor (MOT2) 3.11.1 REP 3.12 Adjustment motor (MOT3) 3.12.1 REP 3.13 Trimmer stop motor (MOT4) 3.13.1 REP 3.14 Infeed switch (SW1) 3.14.1 REP 3.15 Control switch infeed, upper shaft (SW2) 3.15.1 REP 3.16 Stop carriage switch, lower position (SW4) 3.16.1 REP 3.17 Stop carriage switch, upper position (SW5) 3.17.1 REP 3.18 Interlock switch (SW6&7) 3.18.1 REP 3.19 Control switch, outfeed (SW8) 3.19.1 REP 3.20 Start switch (SOS10) 3.20.1 REP 3.21 Outfeed LED and sensor (LED1&PT1) 3.21.1 REP 3.22 Scrap paper bin LED (LED2) 3.22.1 REP 3.23 Scrap paper bin sensor (PR1) 3.23.1 REP 3.24 Knife 3.24.1 REP 3.25 Infeed shaft 3.25.1 REP 3.26 Lower outfeed belts 3.26.1 REP 3.27 Upper outfeed belts 3.27.1 REP 3.28 Transmission chain 3.28.1 REP 3.29 Knife support chain 3.29.1 REP 3.30 Knife chain 3.30.1

ELECTRONIC DETAIL INFORMATION

EDI 3.31 Test points 3.31.1 EDI 3.32 Wiring diagram 3.32.1

FAULT ISOLATING PROCEDURE

FIP 3.33 Fault isolating procedure 3.33.1

PREVENTIVE MAINTENANCE

MAI 3.34 Preventive maintenace 3.34.1

Trimmer TR 85 PAGE August 2000

REP 3.1 Front cover

REMOVAL

1. Switch off the main power switch and disconnect the power cord.

2. Loosen the two screws (1).

3. Pull the lower side out as indicated in drawing and lift off the cover.

4. Disconnect the ground lead.

INSTALLATION / ADJUSTMENT

INSTALLATION Installation is an exact reversed procedure of removal.

WARNING: Aviod direct light on SOS sensors. It may cause knife motor to start when

power is on. Make sure that ground wire is connected.

Trimmer TR 85 PAGE August 2000

3.1.1

REP 3.2 Rear cover

REMOVAL

1. Switch off the main power switch and disconnect the main power cord.

2. Loosen the two screws (1).

3. Pull the lower side out as indicated in drawing and lift off the cover.

4. Disconnect the ground lead.

INSTALLATION / ADJUSTMENT

INSTALLATION Installation is an exact reversed procedure of removal.

WARNING: Make sure ground wire is connected.

Trimmer TR 85 PAGE August 2000

3.2.1

REP 3.3 Upper cover, outfeed side

REMOVAL

1. Switch off the main power switch and disconnect the power cord.

2. Remove front and rear cover according to REP 3.1 & 3.2.

3. Open top cover.

4. Remove interlock switches according to REP 3.18 and remove tie-wrap from cover.

5. Remove spring (1) holding compressing brackets.

6. Remove self-tapping screws (8 pcs).

7. Disconnect out feed sensor and remove tie-wraps holding cable.

8. Remove upper cover (2).

INSTALLATION / ADJUSTMENT

INSTALLATION

1. Connect out feed sensor according to REP 3.21.

2. Mount upper cover.

3. Switch on main power and check voltage on exit sensor according to REP3.21.

4. If sensor is exceeding values, adjust by slightly bending bracket on upper cover.

5. Check interlock function according to REP 3.18.

Trimmer TR 85 PAGE August 2000

3.3.1

REP 3.4 Lower cover, outfeed side

REMOVAL

1. Switch off the main power switch and disconnect the power cord.

2. Remove belt stacker.

3. Remove front and rear cover according to REP 3.1 & 3.2.

4. Remove scrap paper bin.

5. Loosen the four screws holding deck plate to cover.

6. Remove the two screws holding protective cover to lower cover.

7. Remove the four screws holding cover to side frames.

8. Remove cover (1).

INSTALLATION / ADJUSTMENT

INSTALLATION Installation is an exact reversed procedure of removal.

Trimmer TR 85 PAGE August 2000

3.4.1

REP 3.5 Protective cover

REMOVAL

1. Switch off the main power witch and disconnect the power cord.

2. Remove scrap paper bin.

3. Remove the four screws holding protective cover to lower cover out feed side.

4. Loosen the four screws (10mm wrench) holding protective cover to lower knife beam one turn (do not remove screws).

5. Pull protective cover (1) in out feed direction and remove cover.

INSTALLATION /ADJUSTMENT

INSTALLATION Installation is an exact reversed procedure of removal.

CAUTION: Make sure cover is clear from harnesses when mounting cover.

Trimmer TR 85 PAGE August 2000

3.5.1

REP 3.6 Deck plate

REMOVAL

1. Switch off the main power switch and disconnect the power cord.

2. Open top cover.

3. Move out feed compressing bracket to upper position.

4. Remove screws (1).

5. Remove the six screws holding deck plate to lower cover, out feed side (REP 3.4).

6. Remove deck plate through out feed opening.

INSTALLATION / ADJUSTMENT

INSTALLATION Align support rollers on deck plate when mounted. When compressing foam rollers manually, support rollers should rise 1mm.

CAUTION: Avoid damaging support rollers when deck plate is removed.

Trimmer TR 85 PAGE August 2000

3.6.1

REP 3.7 Stop carriage

REMOVAL

1. Position the stop carriage in between A3 and A4 position, adjust on front panel.

2. Switch off the main power and disconnect the power cord..

3. Remove the scrap paper bin.

4. Remove front and rear cover acc. to REP 3.1 and 3.2.

5. Remove the protective cover acc. to REP 3.5.

6. Remove the lower out feed cover acc. to REP 3.4.

7. Disconnect the two connectors (1) from the side frame (not shown in figure).

8. Remove the stop carriage assy. By pulling on the plate (2).

INSTALLATION /ADJUSTMENT

Installation is an exact reversed procedure of removal.

CAUTION: When removing the stop carriage, stay clear from the SOS switches on the

circuit board.

Trimmer TR 85 PAGE August 2000

3.7.1

REP 3.8 Exchanging PCB

REMOVAL

1. Switch off the main power switch and disconnect the power cord.

2. Remove rear cover according to REP 3.2.

3. Disconnect front panel extension at PCB connector (1).

4. Remove the two nuts and washers (2) and remove the knife position indicator (3).

5. Disconnect the two connectors (4).

6. Remove the four nuts (5) and remove the PCB.

3 2

INSTALLATION / ADJUSTMENT

INSTALLATION

1. Mount PCB on to screws.

2. Connect harness and panel connectors.

3. Mount knife position indicator.

4. Make sure that top end of indicator is positioned flush to upper end of upper knife position SOS, when knife is in top position.

Trimmer TR 85 PAGE August 2000

3.8.1

REP 3.9 Front panel

REMOVAL

1. Switch off the main power and remove the power cord.

2. Remove front cover according to REP 3.1.

3. Disconnect the panel from the adaptor board.

4. Remove the old panel, the panel is mounted with self-adhesive tape. (When tearing off, the panel will be damaged.)

3 mm

INSTALLATION / ADJUSTMENT

INSTALLATION

1. Clean top surface of side frame with alcohol cleaner and remove protective film on back of new panel.

2. Place the panel cantered sideways (80mm from edges) and 3mm off the edge according to figure above.

3. Connect the panel to adaptor board.

Trimmer TR 85 PAGE August 2000

3.9.1

REP 3.10 Knife motor (MOT1)

REMOVAL

1. Switch off the main power and remove the power cord.

2. Remove rear cover according to REP 3.2.

3. Disconnect the wires from the motor at the terminal block (positioned on side of frame).

4. Use a 13 mm wrench to turn camshaft (1) clockwise until the knife is in lower position.

5. Remove knife chain according to REP 3.30.

6. Remove the sprocket (2) by loosening the two setscrews holding the sprocket to the motor shaft and pull off the sprocket.

7. Remove the three screws (3) and lift out the motor.

1234

INSTALLATION / ADJUSTMENT

BLK RED

VIO BRN

BLK

PURPOSE The purpose is to ensure correct drive to the camshaft without any slack in the drive chain.

ADJUSTMENT

1. Mount the motor to the side frame, without tightening the screws, and connect the wires to the terminal block according to figure.

2. Mount the sprocket (2) all the way into the clamp ring (4) and tighten the setscrews. One of the sets screws have to be in the key-way of the shaft.

3. Tension the knife chain by moving the motor (5) and tighten the screws (3). There should be NO slack in the knife chain.

WARNING: Stay clear from knife edge when turning camshaft and disengaging drive

chain.

Trimmer TR 85 PAGE August 2000

3.10.1

REP 3.11 Transmission motor (MOT2)

The main function on MOT 2 is main drive for feed belts. By alter the polarity the reverse direction will function as a support motor for MOT 1 During the lower part of the cutting stroke.

REMOVAL

1. Switch off the main power and remove the power cord.

2. Remove front cover according to REP 3.1.

3. Disconnect the wires from the motor at the terminal block (fig. 2) positioned on side of frame.

4. Remove the four screws (6).

5. Remove the support plate (7) by pulling it off the shaft assy (2).

6. Remove the transmission chain and knife support chain according to REP 3.28 and

3.29.

7. Remove the shaft assy (2) by pulling it out. The shaft assy is mounted with a wedge. (Note the shim washers location when removing the shaft.)

8. Remove the three screws (3) and lift out the motor.

123 456 7

FIGURE 1 FIGURE 3FIGURE 2

INSTALLATION / ADJUSTMENT

PURPOSE The purpose is to endure the correct drive without any slack in drive chains.

BLK

BLU

RED

WHT

ADJUSTMENT

1. Mount the motor to the side frame without tightening the screws (3).

2. Place the shim washer on to the motor shaft.

3. Mount the shaft assy (1) all the way into the motor hub.

4. Mount the knife support chain (4) according to fig. 3.

5. Tension the chain (4) by moving the motor and tighten the screws (3).

6. Mount the transmission chain (5) according to REP 3.28.

7. Mount the support plate (7). The bushing in the support plate can be adjusted up/down for alignment.

8. Connect wires from motor according to fig.2.

Trimmer TR 85 PAGE August 2000

3.11.1

REP 3.12 Adjustment motor (MOT3)

REMOVAL

1. Switch off main power and remove the power cord.

2. Remove the stop carriage according to REP 3.7.

3. Remove the return spring (2).

4. Disconnect the connector (1).

5. Loosen the four nuts (3) and remove the motor. (The motor is fitted into keyholes.)

123

INSTALLATION/ADJUSTMENT

Installation is an exact reversed procedure of removal.

CAUTION: When installing, make sure that the wires from the motor stays clear from

SOS switches when moving the carriage.

Trimmer TR 85 PAGE August 2000

3.12.1

REP 3.13 Trimmer stop motor (MOT4)

REMOVAL

1. Switch off the main power and disconnect the power cord.

2. Remove the stop carriage according to REP 3.7.

3. Remove tie-wrap and disconnect the connector (1).

4. Loosen the four nuts (2) and remove the motor while lifting the plastic guide (3) off the scored pulley (4).

INSTALLATION/ADJUSTMENT

PURPOSE The purpose is to ensure that he pulley moves freely in the plastic guide.

ADJUSTMENT

1. Place the shaft (5) according to figure when mounting motor.

2. Align the pulley with the plastic guide and tighten the setscrew on to the cut out part of the shaft.

NOTE: Motor is fitted into keyholes.

Trimmer TR 85 PAGE August 2000

3.13.1

+ 32 hidden pages

Ricoh tr85 SPECIFICATIONS

Contents

REP 3.1 Front cover

REP 3.2 Rear cover

REP 3.3 Upper cover, outfeed side

REP 3.4 Lower cover, outfeed side

REP 3.5 Protective cover

REP 3.6 Deck plate

REP 3.7 Stop carriage

REP 3.8 Exchanging PCB

REP 3.9 Front panel

REP 3.10 Knife motor (MOT1)

REP 3.11 Transmission motor (MOT2)

REP 3.12 Adjustment motor (MOT3)

REP 3.13 Trimmer stop motor (MOT4)