
Safety Precautions
WARNING: The following safety precautions must be carefully observed to reduce the risk of
fire and personal injury.
•
Read, understand, and follow safety precautions and instructions. If the
operator cannot read these instructions, operating instructions and safety
precautions must be read and discussed in the operator’s native language.
•
Operator of the 7448A Fuel Injector Cleaner and bystanders must wear face
shields.
•
OTC 7448A and OTC 7000A are designed for use on gasoline engines ONLY. Do
not use this tool for diesel applications.
•
Observe normal precautions for working with flammable liquids: no smoking,
open flames, electrical sparks, etc.
•
Use the OTC 7448A in well ventilated areas.
•
Pressurized liquid and accumulated fumes can ignite. Keep a Class B fire
extinguisher nearby when working on fuel injection systems.
•
Do not modify any components of the OTC 7448A.
•
Do not replace any components of the OTC 7448A except those specified by
OTC.
•
Use the vehicle manufacturer’s recommended procedures to service injectors.
Never exceed the vehicle manufacturer’s recommended pressures.
o
Release fuel system pressure before servicing fuel system components.
o
Wrap a shop towel around pressure tap fittings when connecting or
disconnecting adapters to / from the vehicle and when disassembling the
canister after use.
o
Tighten all connections; fuel leakage could cause a fire.
o
Do not exceed 100 psi maximum hose pressure.
o
Keep hose away from moving engine parts, hot engine components, and
battery terminals.
o
Inspect the hose for damage before using the OTC 7448A. Check the inside
of the hose to confirm there is no blockage. Replace the hose if needed.
o
Replace injector o-rings whenever injectors are removed.
Parts List & Operating Instructions
Form No. 107340, Sheet 1 of 3, Back