Top Cover Removal
Belt Cover Removal
Base Plate Removal
Needle Bar Height
Presser Bar Height
Feed Dog Height
Feed Dog Alignment
Feed Cam Timing
Feed Lifting Cam Timing
Needle to Hook Timing and Clearance
Hook Stopper Position
Needle Threader Adjustment
Thread Cutter Troubleshooting Chart
Thread Cutter Adjustment
Thread Guide Adjustment
Static Cutter Blade
Needle to Cutter Cam Timing
Thread Drawing Lever Adjustment
Auto Tension Release
Identifying Electronic Components & Connections
A – Board Removal
Installing the A – Board
Needle Stop Position
Removing the Drive Motor
Installing the Drive Motor
C
over Replacement
Attaching the Base Plate
Check Spring Stroke & Pre Tension Dial
Timing Belt Tension Adjustment
1
2
3
4-2
2
23
24
25
26
27
28
29-33
34-36
37
38
39-40
41-42
43
44-45
46-47
48
49
50
51
52
53-54
55-56
57-58
59
60
Table of Contents
HQ Stitch 510 Lubrication Appendix
6
1