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Stihl HT 70 User Manual

Stihl HT 70
48 pages
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STIHJ.:
Warning!
For safe operation follow all safety
precautions in Instruction Manual
-
improper
use can cause serious injury.
Advertencia!
Para su seguridad durante el manejo de este
producto, siga siempre las precauciones de
seguridad dadas en el manual de
instrucciones
-
el uso indebido puede causar
lesiones graves.
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Stihl HT 70 Specifications

General IconGeneral
Bar Length25 cm
Vibration Level Left/Right4.5/4.5 m/s²
Guide Bar Length25 cm
Total Length270 cm
Engine Type2-stroke gasoline

Summary

Guide to Using this Manual

Safety Precautions

General safety rules and warnings for operating the pole pruner.

The Operator

Physical and mental condition requirements for safe operation.

The Pole Pruner

General information about the pole pruner and its parts.

Preparation for the Use of the Pole Pruner

Steps to take before starting the pole pruner.

Fueling

Instructions and warnings for adding fuel to the machine.

Starting

Procedures and precautions for starting the engine.

Working Conditions

Important safety considerations for various working environments.

Using the Pole Pruner

Preparations

Steps for preparing to use the pole pruner, including safety gear.

Cutting sequence

Recommended order for cutting branches for efficient and safe pruning.

Working techniques

How to hold and position the pole pruner for effective cutting.

Relieving cut

Technique to avoid kickback when cutting thick branches.

Flush-cutting thick branches

Method for cutting thick branches to prevent splitting.

Cutting above obstacles

How to prune branches that overhang obstacles.

Cutting from a lift bucket

Using the pole pruner from a lift bucket for elevated work.

30° Angle Drive

Using an optional accessory for specific cutting angles.

Mounting the Bar and Chain

Tensioning the Saw Chain

Checking Chain Tension

How to verify the correct chain tension.

Adjusting the Throttle Cable*

Adjusting the throttle cable for proper engine control.

Fuel

Fuel Mix Ages

Guidelines for mixing and storing fuel for the engine.

Fueling

Step-by-step instructions and safety for refueling the machine.

Checking Oil Level

Procedure for checking the chain oil level.

Chain Oil

Filling Chain Oil Tank

How to fill the oil tank for chain lubrication.

Checking Chain Lubrication

Verifying the saw chain is receiving proper oil lubrication.

Adjusting Telescopic Shaft (HT 75)

Adjusting the length of the telescopic shaft on the HT 75 model.

Fitting the Harness

Shoulder Strap*

How to properly fit and adjust the shoulder strap.

Full Harness*

Instructions for fitting and using the full harness system.

Starting / Stopping the Engine

Controls

Identification and function of the machine's controls.

Starting

Step-by-step guide to starting the engine.

If Engine is Cold:

Specific starting procedure for a cold engine.

If Engine is Warm:

Specific starting procedure for a warm engine.

Operating Instructions

During Break-in Period

Recommendations for the initial use of a new machine.

During Operation

Guidelines for normal operation and chain tension checks.

Cold Chain

How to check and adjust chain tension when cold.

Chain at Operating Temperature

How to check and adjust chain tension when warm.

After a Long Period of Full-Throttle Operation

Cooling down procedures after extended high-speed use.

After Finishing Work

Steps to take after completing work, including storage.

Taking Care of Guide Bar

Cleaning the Air Filter

Instructions for cleaning or replacing the air filter.

Motor Management

Adjusting the Carburetor

Procedures for adjusting the carburetor for optimal performance.

Spark Arresting Screen* in Muffler

Checking the Spark Plug

How to inspect and maintain the spark plug.

Replacing the Starter Rope and Rewind Spring

Storing the Machine

Checking the Chain Sprocket

How to check the chain sprocket for wear.

Replacing Chain Sprocket

Maintaining and Sharpening Saw Chain

For Checking Angles

Using tools to check sharpening angles for accuracy.

File Correctly

Techniques for correctly sharpening the saw chain.

Depth Gauge Setting

How to set the depth gauge for optimal cutting performance.

Lowering Depth Gauges

Procedure for lowering depth gauges when sharpening.

Maintenance Chart

Parts and Controls

Definitions

Specifications

Maintenance and Repairs

Special Accessories

STIHL Incorporated Federal and California Emission Control Warranty Statement

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