84
Adjustment of moving knife and fixed knife
3-6-8
1. Remove needle plate.
2. Open
moving knife
, check if knife drive shaft has no
backlash in up and down direction.
If backlash is found, adjust it referring to [3-6-6 Exchange
of moving knife].
Close moving knife
3. Adjust slant of fixed knife with [upper adjustment screw]
and [lower adjustment screw] that fix fixed knife.
<Note>
Rub these screws together to the extent that you
don’t feel resistance.
<Spanner> 5.5mm
4. Cut thread and check how well it is cut.
Use two polyester threads for checking.
5. Check several times and if no mistakes are found, finish
this process.
Summary of Contents for HCH-701-30
Page 1: ...Maintenance Manual for Embroidery Machine HCH 701 30 Version 2 4 HappyJapan Inc ...
Page 132: ...128 Electrical connection diagram 5 ...
Page 133: ...129 Electrical connection diagrams 5 ...
Page 134: ...130 List of electrical connection diagrams 5 ...
Page 137: ...130c HCD81222 LCD CE MX 基板組 ...
Page 138: ...130d HCD8116 TP switch board ass y 3 82 7 32 7 387487 2487 ...