HTC 400 Operator's Manual page 11

9. Select the applicable position for the operation and
tighten the lock knob. The bottom hole increases the
grinding pressure and the height of the handlebar.
The top hole decreases the grinding pressure and
the handlebar.
Handle heights
Hole position Handle height, mm/inch
Top 835/33
Center 925/36
Lower 1000/39
Grinding pressure
Refer to the tables for the grinding pressure with each
height and counterweight.
Grinding pressure: 3-phase
Counter Handle po-
weight sition, low
kg/lbs
1 49/108
2 43/95
3 38/84
Grinding pressure: 1-phase
Counter Handle po-
weight sition, low
kg/lbs
1 50/110
2 44/97
3 39/86
926 - 001 -
Handle po- Handle po-
sition, cen- sition, top
ter kg/lbs kg/lbs
51/112 53/117
46/101 49/108
41/90 45/99
Handle po- Handle po-
sition, cen- sition, top
ter kg/lbs kg/lbs
52/115 54/119
47/104 49/108
43/95 46/101
To adjust the grinding pressure
Add or remove weight plates to adjust the grinding
pressure that is necessary for the surface.
1. Push the handle on the central hinge and at the
same time fold the top frame forward. This is the lift
position.
2. Remove the 4 screws that hold the weight plates.
Add or remove 1 or 2 plates to get the necessary
grinding pressure.
Diamond tools
There are many types of diamond tools for the product.
Speak to your approved service center or go to
www.htc-floorsystems.com to select correct diamond
tool.
Installation of the diamond tools
The installation of the diamond tools on the tool plate
has effect on the performance of the product. The
diamond tool type together with the number of segments
on the diamond tool is important.
Use metal bond diamond tools with 2 segments for
usual grind operations, to make the surface level or light
removal.
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