Ingersoll Rand 77A-EU Serie Mode D'emploi page 3

SANDER/POLISHER SPECIFIC WARNINGS
•
These Sanders and Polishers will operate at the free
speed specified on the nameplate if the air supply
line furnishes 90 psig (6.2 bar/620 kPa) air pressure
at the tool. Operation at higher air pressure will
result in excessive speed.
•
Use only a sanding pad, buffing wheel or polishing
WARNING: Incorrect combinations of grinding wheel, wheel guard and tool speed could result in injury.
Correct combinations are specified below:
Guard Part Number
77A–106–7
77A–106–9
LUBRICATION
Ingersoll–Rand No. 50
Always use an air line lubricator with these tools.
We recommend the following Filter–Lubricator–Regulator
Unit:
For International – No. C18–C3–FKG0
Before starting the tool, unless the air line lubricator is used,
detach the air hose and inject about 2.5 cc of oil into the air
inlet.
After each eight hours of operation, replenish the oil supply.
Remove the Oil Chamber Plug from the Throttle Handle and
fill the chamber.
After each forty–eight hours or operation, inject about 5 cc
of grease into each Grease Fitting.
All manuals and user guides at all-guides.com
Wheel Type Wheel Diameter
in. (mm)
27, 28
27, 28
PLACING TOOL IN SERVICE
Ingersoll–Rand No. 68
bonnet with these tools. Do not use any grinding
wheel, bur or metal removing accessory other than
a sanding pad with these tools. Never use an
accessory having a maximum operating speed less
than the free speed of the Sander or Polisher in
which it is being used.
Maximum Wheel
Thickness
in. (mm)
7 (178) 1/4 (6.4)
7 (178) 1/4 (6.4)
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
3
Maximum Speed
rpm
7,500
6,000
FILTER
COMPRESSOR
(Dwg. TPD905–1)