HQ Infinity Service Manual
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9. Rear Axle and Axle Housings
......................................................................................................... 39
Differences Between the Four Wheel Axle Housings
...............................................................................39
Aligning Wheels to the Correct Width for Carriage Tracks
.......................................................................
42
10. Reciprocating Counterweight Timing
........................................................................................... 43
11. Belt Tension
................................................................................................................................ 45
Motor to Hook Shaft Drive Belt Tension
...................................................................................................
45
Hook to Main Shaft Belt Tension
..............................................................................................................
46
12. Belt Idler Flange Position
............................................................................................................ 47
Position of Timing Belt Idlers Flanges
.......................................................................................................
47
13. Presser Bar Height
...................................................................................................................... 48
14. Needle Position
.......................................................................................................................... 50
Front to Back
............................................................................................................................................ 50
Left to Right
.............................................................................................................................................. 51
15. Timing
........................................................................................................................................ 53
Loop Lift and Hook-to-Needle Distance Timing
........................................................................................ 53
Tools Required .......................................................................................................................................... 55
Correcting Loop Lift and Hook-to-Needle Distance Timing
......................................................................60
Stop Finger
...............................................................................................................................................
64
Needle Bar Height Timing
......................................................................................................................... 66
16. Power
......................................................................................................................................... 71
Surge Protection / Battery Backup
...........................................................................................................
72
Fuse
..........................................................................................................................................................
72
17. Electrical Wiring
.......................................................................................................................... 74
AC Wiring ..................................................................................................................................................
74
18. Handlebar Switches
.................................................................................................................... 76
19. Upper Cable Trough
.................................................................................................................... 77
20. Rear Handlebars
......................................................................................................................... 78
21. Rear Plastic Panels
...................................................................................................................... 79
Rear Panel Screws
....................................................................................................................................
79
22. Front Plastic Panels
..................................................................................................................... 83
Front Panel Screws
...................................................................................................................................
84
23. 48V Power Supply
....................................................................................................................... 87