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WARNING:
Incorrect combinations of grinding wheel, wheel guard and tool speed could result in injury.
Correct combinations are specified below:
Guard Part Number
77H–941
77H–931
LUBRICATION
Ingersoll–Rand No. 50
Always use an air line lubricator with these tools.
We recommend the following Filter–Lubricator–Regulator
Unit:
For USA – No. C18–03–FKG0–28
Before starting the tool, unless the air line lubricator is
used, detach the air hose and inject about 2.5 cc of
Ingersoll–Rand No. 50 Oil into the air inlet. Remove the
Oil Chamber Plug from the Throttle Handle and fill the
chamber.
After each eight hours of operation, or as experience
indicates, remove the Oil Chamber Plug from the Throttle
Handle and fill the chamber.
Model
77H90H84
77H120H63
77H120H84
Model
77H90L10
77H120L10
Model
77H30B106
77H50B106
GRINDER SPECIFIC WARNINGS
Wheel Type
Wheel Diameter
1
1
PLACING TOOL IN SERVICE
Ingersoll–Rand No. 68
HOW TO ORDER A GRINDER
TYPE 1 WHEEL HORIZONTAL GRINDERS
Free Speed
rpm
9,000
12,000
12,000
CONE WHEEL HORIZONTAL GRINDERS
Free Speed, rpm
9,000
12,000
FLAP WHEEL AND WIRE BRUSH MACHINES
Free Speed, rpm
3,000
5,000
Maximum Wheel
in. (mm)
Thickness
in. (mm)
4 (100)
3 (76)
1/2 (13)
MAIN LINES 3 TIMES
AIR TOOL INLET SIZE
TO
AIR
SYSTEM
TO
AIR
TOOL
LUBRICATOR
REGULATOR
BRANCH LINE 2 TIMES
AIR TOOL INLET SIZE
DRAIN REGULARLY
Type 1 Wheel
inches
mm
4
101.6
3
76.2
4
101.6
3
Maximum Speed
rpm
1 (25)
12,000
12,000
FILTER
COMPRESSOR
(Dwg. TPD905–1)
Spindle and
Guard
1/2"–13 4"
3/8"–24 3"
1/2"–13 4"
Spindle
5/8"–11
5/8"–11
Spindle
5/8"–11
5/8"–11
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