Sharp MX-BMX1 (serv.man2) Service Manual ▷ View online
Replacement Adjustment
20 October 2010
TR-3-17
3.2.7 TRIM KNIFE HOME POSTITON SENSOR Q5
AREA C
[A]
[B]
Removal
1. Remove Rear cover (
1. Remove Rear cover (
3.1.1).
2. Remove connector [A] (
x1).
3. Squeze the barbs of the sensor to remove.
NOTE: Gently pull bracket [B] to remove.
[C]
[D]
Replacement
1. Reverse the removal procedure.
2. Enter service program mode to check that sensor Q5 changes state when
1. Reverse the removal procedure.
2. Enter service program mode to check that sensor Q5 changes state when
blocked/unblocked (
Service Manual MX-BMX1: 5.1.1, 5.1.2).
NOTE: Do not cheat the interlock.
3. Move the Upper knife by turning crank [C] using a 13 mm wrench.
4. Check on the LCD that sensor Q5 changes state when blocked/unblocked by
4. Check on the LCD that sensor Q5 changes state when blocked/unblocked by
actuators [D].
WARNING
Stay clear from upper knife. The knife edge may cause serious injuries.
Stay clear from upper knife. The knife edge may cause serious injuries.
TR-3-18
20 October 2010
3.2.8 TRIM KNIFE
AREA C
WARNING
Stay clear from upper knife. The knife edge may cause serious injuries.
Place the safety block [A] between lower knife and upper knife beam. Keep
the safety block in that position as much time as possible throughout this
procedure.
procedure.
[A]
Removal
1. Remove the belt stacker.
2. Undock the Trimmer.
3. Latch the compressing bracket in upper position.
4. Remove the infeed cover (
4. Remove the infeed cover (
3.1.4).
5. Remove protection cover (
3.1.9).
Removal Upper knife
1. Remove screws [B] ( x3).
2. Remove knife protection plate [C].
3. Move transport protection from the new to the old knife or use the transport
protection attached behind the front cover.
4. Remove the e-clip [D] from the middle plunger, to release the Set clamp (
x1).
5. Remove screws [E] and cup spring washers ( x6).
Note: When removing screws [E] the nuts [G] will fall down through the cut-out
in bottom of knife beam.
Removal Lower knife
1. Remove screws [H] ( x4).
2. Remove screws [I] and cup spring washers ( x2).
[C]
[E]
[F]
[D]
[G]
Lower knife
[B]
Upper knife
Replacement Adjustment
20 October 2010
TR-3-19
Replacement Upper knife
1. Move transport protection from the old to the new knife.
2. Clean and apply grease on guide bars [J] and side guides [K].
3. Fit upper knife onto guide bars [J].
Apply grease on the cup spring washers [F] closest to the knife.
Mount screws [E] with nuts [G] ( x6, x6).
Note: Make sure each screw has 7 cup spring washers placed accord-
ing to figure.
4. Remove transport protection and mount
it on the old knife.
5. Mount knife protection plate [C].
6. Mount the set clamp in position with
e-clip [D] ( x1) .
Replacement Lower knife
1. Place the lower knife onto the lower knife
beam.
2. Apply grease on both washers.
3. Mount screws [I] ( x2) and cup spring
washers.
4. Mount screws [H] ( x4).
[K]
[J]
[O]
[N] [L]
[H]
[M]
[L]
[N]
[I]
[E]
[F]
[B]
[D]
[G]
[C]
[M]
Adjustment
1. Turn screws [E] so there is no tension and no play between cup spring wash-
ers and upper knife.
2. Then turn screws [E] one revolution clockwise each.
3. Loosen nuts [L] ( x3)
4. Turn screws [M] ( x3) counter clockwise until they passes edge [N].
5. Loosen screws [I] & [H] ( x6).
6. Push the Lower knife against the bracket [N].
1
2
4
3
5
6
AREA C
TR-3-20
20 October 2010
7. Use a feeler gauge and check that the space [Q] between upper knife and the
two red marked reference screws in the middle [P] is 0.50 mm.
Note: Never touch the red painted reference screws [P].
8. Adjust the space if necessary with screws [O] ( x2).
[O]
[Q]
0.50 mm
[P]
AREA C
9. Check that there is a gap of 1 - 2 mm between the knife protection plate [S]
and the edge of the upper knife. If not, adjust by moving the knife protection
guides [T]. Start by adjusting the front side guide (spring loaded).
[S]
[T]
Upper knife
1 - 2 mm
Click on the first or last page to see other MX-BMX1 (serv.man2) service manuals if exist.