Troubleshooting - Craftsman 875.198650 Owner's Manual

Owner's Manual Model No. 875.198650 Owner's Manual Model No. 875.198650
Tool runs
slow or will
not operate.
1. Grit or gum in tool 1. Flush the tool with air tool oil, gum
solvent, or an equal mixture of SAE 10
motor oil and kerosene. Lubricate the tool
after cleaning
2. No oil in tool
2. Lubricate the tool according to the
lubrication instructions in this manual
3. Low air pressure
3a. Adjust the regulator on the tool to the
maximum setting (If applicable).
3b. Adjust the compressor regulator to tool
maximum while the tool is running free.
4. Air hose leaks
4. Tighten and seal hose fittings if leaks are
found. Use pipe thread tape where possible.
5. Pressure drops
5a. 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.
5b. Do not use 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.
Impacts slowly
or will not impact
1. Lack of lubrication
2. Tool regulator set in
wrong
position
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. In-line regulator or 3. Adjust regulators in the air system
compressor regulator
set too low
Impacts rapidly but 1. Worn impact 1. Replace worn impact mechanism
will not remove bolts mechanism components
Does not impact 1. Broken impact 1. Replace broken impact mechanism
mechanism components
Notes:
Moisture
blowing out
of tool
1. Water in tank
2. Water in the air lines/
hoses
1. Drain tank. (See air compressor manual).
Oil tool and run until no water is evident. Oil
tool again and run 1-2 seconds.
2a. Install a water separator/filter.
NOTE: Separators only work properly when
the air passing through the separator is
cool. Locate the separator/filter as far as
possible from the compressor.
2b. Install an air dryer.
2c. Anytime water enters the tool, the tool
should be oiled immediately.
ENG-10 ENG-11