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SH Engines PT12R01 Operating Instructions Manual

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These instructions are written for four types of engines.
Carburetor settings, fuel and glow plug recommendations,
break-in procedures, carburetor tuning, etc are the same
for all four engines, unless otherwise noted.
INTRODUCTION
Thank you for choosing an SH .12 Pro Rear-Exhaust engine. All SH
engines are designed for high power output and easy handling. The
SH .12 Pro Rear-Exhaust engines are designed specifically for 1/10th
scale trucks and sedans, and feature dual ball bearing-supported
crankshaft, ABC piston and sleeve, two-needle carburetor, pull-start
assembly (where applicable), heat-dissipating cylinder head and
superb attention to detail and quality. All SH engines are manufactured
using CNC manufacturing equipment to ensure every engine is
produced to the exacting quality that you have come to expect from
an engine of this caliber.
BECOMING FAMILIAR WITH YOUR ENGINE
Please read through this instruction guide in its entirety to familiarize
yourself with the features and operation of your new SH .12 Pro
Rear-Exhaust engine. Start by using the photo below to familiarize
yourself with the major components of your new engine.
Due to running manufacturing changes
and improvements, your engine may
differ slightly from that shown.
SH .12 PRO OPERATING INSTRUCTIONS FOR
PT12R01, PT12R01S, PT12R01A & PT12R02AS ENGINES
PT12R02AS Engine
Shown. Other Engines
Will Appear Differently
SH .12 PRO ENGINE SPECIFICATIONS
Disp
Bore
PT12R01
2.1cc
13.85mm
PT12R01S
2.1cc
13.85mm
PT12R01A
2.1cc
13.85mm
PT12R02AS 2.1cc
13.85mm
CAUTION - PLEASE READ!!
SH engines will consistently give you dependable performance and
reliability and will be a source of satisfaction and pleasure if you
follow these instructions as to the engine's proper and safe use.
You alone are responsible for the safe operation of your engine, so
act sensibly and with care at all times. This engine is not a toy. It is
a precision-built machine whose power is capable of causing
serious injury to yourself and others if abused, misused or if you fail
to observe proper safety precautions while using it.
Never use any fuel in your engine other than glow fuels
specifically designed for use in model car/buggy engines. Use of
any other types of fuel can cause severe damage to the engine and/or
personal injury. NEVER USE GASOLINE OR DIESEL FUEL!
Never operate your model on any public streets. This could
cause traffic accidents, personal injury or property damage.
Glow fuel engines emit exhaust vapors that are poisonous and
can be dangerous to your health. It is important that you operate
your engine in a very well-ventilated area, preferably outdoors.
Before starting the engine, make sure that the throttle trim is set
to the idle position. Starting the engine at any setting above idle can
cause the model to lurch out of your hands.
When the engine is running, there are certain parts that rotate
at high speeds. Be careful not to touch the drive shafts, gears, clutch
assembly or any other moving parts. Serious injury could result.
It is normal for the engine to get very hot during operation,
especially the cylinder head and exhaust system. Never touch
the engine or exhaust system while they are hot.
Model car engines produce vibration when they are running.
It is important to periodically check the engine mounting screws,
exhaust mounting screws and other assemblies to ensure they
are tight. Running the engine with the engine mounting screws
loose can lead to severe engine and/or chassis damage.
1
Stroke
RPM
Power
14mm
32,000
1.1@32,000
14mm
32,000
1.1@32,000
14mm
30,000
1.0@30,000
14mm
30,000
1.0@30,000
Weight
206g
208g
270g
266g

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Summary of Contents for SH Engines PT12R01

  • Page 1 (where applicable), heat-dissipating cylinder head and any other types of fuel can cause severe damage to the engine and/or superb attention to detail and quality. All SH engines are manufactured personal injury. NEVER USE GASOLINE OR DIESEL FUEL! using CNC manufacturing equipment to ensure every engine is produced to the exacting quality that you have come to expect from Never operate your model on any public streets.
  • Page 2 SH Engines # 4 (P/N 147024) or the SH Engines # 3 (P/N 147023) during the break-in process. After the break-in period you may want to use a different heat-range glow plug. If the engine has a hard...
  • Page 3 HIGH & LOW SPEED NEEDLE VALVES BREAK-IN PROCEDURE Your SH .12 Pro Rear-Exhaust engine is an ABC engine. The cylinder HIGH SPEED NEEDLE VALVE sleeve is tapered at the top, causing resistance when the piston The high speed needle valve is used to meter the air/fuel mixture at moves through the top of the stroke.
  • Page 4 With the engine SH engines are distributed exclusively in the U.S.A. by stopped, lean the needle valve about 1/16 of a turn (clockwise).
  • Page 5 Pull-Start Backplate Screw Set (4) TS011 (147635) Pull-Start String TS012 (147636) String Tube Numbers that start with "T" are SH Engines TS013 (147637) Pull-Start Rear Cover manufacturer numbers. The six-digit numbers are TS014 (147539) Screw Set for Rear Cover (4)
  • Page 6: Troubleshooting Guide

    RETURNING FOR WARRANTY SERVICE All SH engines returned for warranty service must be within the warranty terms as stated on the warranty card provided with your engine. Do not return the engine to the place of purchase. They are not authorized or equipped to perform warranty work on SH products. When requesting warranty service, please observe the following guidelines: Always send the complete engine including the carburetor.

This manual is also suitable for:

Pt12r01sPt12r01aPt12r02as