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Craftsman 875.191174 Manual Del Usuario página 8

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Idiomas disponibles

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Troubleshooting
Tool runs slowly or will not operate
1. Grit or gum in tool
1. Flush the tool with air tool oil or gum
solvent.
2. No oil in tool
3. Low air pressure
4. Air hose leaks
5. Pressure drops
6. Worn rotor blade in motor
7. Worn ball bearing
in motor
2. Lubricate the tool according
to the lubrication
instructions
in this manual
3. a. Adjust the regulator
on the tool to the maxi-
mum
setting
b. Adjust the compressor
regulator
to tool
maximum
of 90 psi.
4.Tighten
and seal hose fittings
if leaks are found
use pipe thread tape.
5. a. Be sure the hose is the proper size. Long
hoses or tools using large volumes
of air may
require a hose with an I.D. of 1/2" or larger
depending
on the total length of the hose
b. Do not use a multiple
number of hoses
connected
together
with quick connect
fittings.
This causes additional
pressure drops
and
reduces the tool power. Directly connect the
hoses together
6. Replace rotor
blade
7. Remove and inspect bearing
for rust, dirt and
grit. Replace or clean and grease bearing with
bearing
grease
Moisture
blowing
out of tool exahust
1. Water in tank
1. Drain tank. (See air compressor
manual). Oil tool
and run until no water is evident.
Oil tool again and
run 1-2 seconds
Impacts
slowly or will not impact
1. Lack of lubrication
2.Tool regulator
set in wrong
position
3. In-line regulator
or
compressor
regulator
set too low
1. Lubricate the air motor and the impact
mechanism.
(See Lubrication
section of this manual)
2. Adjust the regulator
on the tool to the maximum
setting
3. Adjust regulators
in the air system
Impacts
rapidly
but
1. Worn impact
mechanism
1. Replace worn
impact
mechanism
components
will not remove
bolts
Does not impact
1. Broken impact
mechanism
1. Replace broken
impact
mechanism
components

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