Replacement of SMGL Cutters

First...
Before starting work, turn off primary power completely to avoid any injuries or electrocution.

Main Tools
-plus screw -drivermonkey wrench (300mm) -7mm wrench -hexagon wrench
-snap ring pliers (for axises & holes) -plastic hammer -steel hammer -torque wrench
-motor-removal tools / shim tape

(Note)
To hold fixed cutters and geared motors in place, use torque wrench
For torque pressure, use following chart for reference
Bolts (high-tension) 10.9 N/m Torque (N/m)
M8 34.3
M10 67.7
M12 118
[Exchange Point]
1. Remove Feed Hopper

[Point]

Hopper is positioned by front clamps and bolts at the rear side

{Note}


Due to its big size, please use caution when opening the Feed Hopper.
2. Measure the gaps between cutters

[Point]


Measure gaps between the fixed cutters, small cutters and rotating cutters very thoroughly.
The standard gap should be 0.2mm.
Use shim tape to measure.
For your convenience, have shim tapes of 0.2 mm, 0.15 mm and 0.1mm when measuring.

Insert shim tape between the gaps and keep measuring until gap narrows under certain shim tape.
3. Remove motor lines from geared motor terminal box and remove keeper plate from geared motor side. Keeper Plate can be removed if cap bolt is loosened.

[Point]


The motor lines are hooked-up by 4 mm nuts and screws.
When disconnecting the motor lines, please remember how the lines were connected.
Keeper plate will come out once cover is removed.
4. Use snap ring pliers (w/holes) to remove snap ring.
5. Set spacer to removal jig to reinstall snap ring.

[Note]


Because it is a heavy machine, lift geared motor with a crane. Once jig is set, work while using caution to prevent motor from dropping.

(1) circular board (2) spacer (3) M16 bolt (4) snap ring
6. Remove cap from opposite side of motor. Then remove keeper place. Keeper plate is positioned by two cap bolts.
7. Hit shaft of opposite side of motor. Remove snap ring set in front of bearing on the side of motor.

[Point]


If the snap ring at the motor side comes forward and is distant from the bearing, remove.
8. Use snap ring pliers (for shaft) to remove snap ring. Then remove motor support and bearing cover.

[Point]


Motor support and bearing cover is held in position by four cap bolts
9. Remove bearing

[Point]


If unable to remove bearing, use pulley tools.
10. Remove bearing at the opposite side of motor.
11. Open top of granulating unit and take out cutters on entire shaft.

[POINT]


Use gloves when working with cutters to prevent injuries. Use extra caution to prevent injuries.
12. Take cutters out of shaft in order shown.
Disassembly is completed. Set new cutters.

[POINT]


When working with the cutters, Use leather gloves to avoid injuries. Please use extra caution.
13. Insert cutters into shaft in order, set and place in upper section or granulating machine.

[Point]


Once the snap ring on the motor side is set Towards user and separate from the bearing, cutter is set.
14. Fit bearing at side opposite the motor.
Measure gaps between cutters. If cutters are off to the right, adjust the Shim rings between the bearing and the side plate at the motor side.
15. Fit motor supporter and bearing cover. Also fit snap ring.

[Point]


Use snap ring pliers for shaft.
16. Fit keeper plate at the opposite side of the motor.
17. Adjust gaps between fixed cutters, rotating cutters (small & large) and measure gaps with shim tapes.
If gaps are sufficient, remove fixed cutters and reassemble them to make proper gaps in-between.

[Point]

Fixed cutters should be assembled properly after inserting the shim tapes in-between the fixed cutters and the rotating cutters.
18.

Install geared motor

[Point]


Use plastic and steel hammers to install.

[Note]


Because it is a heavy machine, lift geared motor with a crane.

Work while using caution to prevent motor from dropping.

19. Install snap ring.

[Point]


Use snap ring pliers (w/holes).
20. Install keeper plates at motor side. Connect wires for motor for completion of installation.

[Point]


Use caution. Watch connections when hooking up wires.