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Bosch GCM 8 SJ User Manual

Bosch GCM 8 SJ
557 pages
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Robert Bosch GmbH
Power Tools Division
70745 Leinfelden-Echterdingen
Germany
www.bosch-pt.com
1 609 929 W28 (2010.04) PS / 558 UNI
GCM 8 SJ Professional
de Originalbetriebsanleitung
en Original instructions
fr Notice originale
es Manual original
pt Manual original
it Istruzioni originali
nl Oorspronkelijke
gebruiksaanwijzing
da Original brugsanvisning
sv Bruksanvisning i original
no Original driftsinstruks
fi Alkuperäiset ohjeet
el Πρωτότυπο οδηγιών χρήσης
tr Orijinal işletme talimat
pl Instrukcja oryginalna
cs Původní návod k používání
sk Pôvodný návod na použitie
hu Eredeti használati utasítás
ru Оригинальное руководст-
во по эксплуатации
uk Оригінальна інструкція з
експлуатації
ro Instrucţiuni originale
bg Оригинална инструкция
sr Originalno uputstvo za rad
sl Izvirna navodila
hr Originalne upute za rad
et Algupärane kasutusjuhend
lv Instrukcijas oriģinālvalodā
lt Originali instrukcija
ar
fa
ΕΎϤϴϠόΗϞϴϐθΘϟ΍ΔϴϠλϷ΍
Ϡλ΍ έΎ ίήσ ΎϤϨϫ΍έ
OBJ_DOKU-20743-001.fm Page 1 Saturday, April 17, 2010 9:06 AM
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Bosch GCM 8 SJ Specifications

General IconGeneral
TypeSliding Mitre Saw
Blade Diameter216 mm
Cutting Capacity, 0°70 x 312 mm
Saw Blade Bore Diameter30 mm
Max Cutting Depth at 90°70 mm

Summary

Safety Notes

General Power Tool Safety Warnings

Read all safety warnings and instructions. Failure to follow may result in electric shock, fire or serious injury.

Work area safety

Keep work area clean and well lit. Do not operate in explosive atmospheres. Keep children and bystanders away.

Electrical safety

Power tool plugs must match the outlet. Avoid body contact with earthed surfaces. Do not expose to rain or wet conditions.

Personal safety

Stay alert, watch what you are doing. Use protective equipment. Prevent unintentional starting. Do not overreach. Dress properly.

Safety Notes

Power tool use and care

Do not force the power tool. Use the correct tool. Do not use if switch is faulty. Disconnect plug before adjustments. Store idle tools out of reach.

Service

Have your power tool serviced by a qualified repair person using only identical replacement parts.

Safety Warnings for Sliding Mitre Saws

Do not stare into laser beam. Keep hands away from cutting area. Keep handles dry, clean, and free from oil.

Safety Notes

General Safety Instructions for Operation

Operate tool only when work area is clear. Firmly clamp workpiece. Use machine only for intended use. If blade jams, switch off.

Symbols

Laser Warning

Do not direct laser beam at persons or animals. Laser class 2 product.

Personal Protective Equipment (PPE)

Wear dust respirator, safety goggles, and ear protectors for safety.

Saw Blade Specifications

Observe saw blade dimensions. Hole diameter must match spindle. Do not use reducers or adapters.

Disposal (EC Countries)

Do not dispose of power tools into household waste. Collect separately for environmentally correct disposal.

Functional Description

Intended Use

Stationary machine for straight lengthways and crossways cuts in wood, particle and fibre board. Mitre angles -50° to +58°, bevel angles 0° to 45°.

Product Features

Description of components numbered 1-59, referring to graphic pages for identification and function.

Technical Data

Sliding Mitre Saw Specifications

Technical specifications for the GCM 8 SJ Professional, including power, voltage, speed, laser type, weight, and protection class.

Saw Blade Dimensions

Specifications for suitable saw blades: diameter, thickness, and mounting hole diameter.

Noise/Vibration Information

Measured Sound and Vibration Values

Details A-weighted noise levels and vibration emission values determined according to EN 61029.

Declaration of Conformity

Conformity Statement

Declaration of sole responsibility for product conformity with EN 61029, EN 60825-1 and EU directives.

Assembly

Assembly Precautions

Avoid unintentional starting of the machine. Ensure power plug is disconnected before assembly or maintenance.

Delivery Scope

Check if all listed parts are supplied before first operation. Inspect tool for possible damage.

Assembly

Mounting to a Working Surface

Mount machine securely to a workbench using screws or clamps. Ensure stability for safe operation.

Mounting to a Bosch Saw Stand

Use Bosch GTA saw stands for stable support. Follow worktable instructions. Mount tool in transport position.

Flexible Mounting (not recommended!)

Use tilt protector for setup on uneven surfaces. Machine may tip over without it, especially at maximum angles.

Dust/Chip Extraction

General Dust Extraction Advice

Use dust extraction whenever possible. Ensure good ventilation. Wear a P2 filter-class respirator. Observe country regulations.

Integrated Dust Extraction

Use dust bag for basic collection. Clean bag after use. Remove bag when sawing aluminum to avoid fire risk.

Dust/Chip Extraction

External Dust Extraction

Connect a vacuum hose (Ø 36 mm) to the dust ejector 22. Use a vacuum cleaner suitable for the material.

Changing the Tool

General Blade Changing Precautions

Disconnect mains plug before work. Wear protective gloves when mounting blade. Use recommended blades.

Removing the Saw Blade

Release locking lever, loosen screw, press spindle lock, unscrew Allen screw, remove flange and blade.

Mounting the Saw Blade

Clean parts. Place new blade on flange. Align teeth direction with arrow. Secure with flange and screw. Fasten guard.

Operation

Switching On the Machine

Pull On/Off switch 4 in direction of handle 5. Switch cannot be locked; must be pressed during operation.

Transport Safety Lock

Transport safety-lock 27 enables easier handling when transporting to various working locations.

Releasing the Machine

Push tool arm down slightly to relieve lock. Pull lock outward completely. Guide arm upward.

Securing the Machine

Loosen locking screw 25. Pull arm forward completely and retighten screw. Screw depth stop up. Tighten locking knob 11.

Preparing for Operation

Clamping the Workpiece

Ensure workpiece is firmly clamped. Do not saw workpieces too small to clamp. Use material clamp 42.

Adjusting the Cutting Angle

Check and adjust basic adjustment after intensive use. Tighten locking knob 11 firmly before sawing.

Adjusting Horizontal Mitre Angles

Set angle from -50° to +58°. Loosen locking knob 11. Use lever 12 and detents 14 for setting.

Adjusting Vertical Bevel Angles

Set angle from 0° to 45°. Loosen clamping lever 21. Use angle indicator 20. End stops provided for 0° and 45°.

Starting Operation

Pull On/Off switch 4. Locking lever 35 must be pushed for sawing.

Working Advice

Switching Off the Machine

Release the On/Off switch 4 to stop the machine.

Reduced Starting Current

Electronic feature limits power consumption on startup. If failed, send tool for service.

General Sawing Instructions

Ensure blade clearance. Protect blade. Do not saw warped workpieces. Support long workpieces. Extend table if needed.

Marking the Cutting Line (Laser)

Laser beam indicates cutting line for precise positioning. Align workpiece with right edge of laser line. Check laser alignment.

Position of the Operator

Do not stand in line with the saw blade. Stand aside. Keep hands away from blade. Do not cross arms.

Permissible Workpiece Dimensions

Table showing maximum and minimum workpiece sizes for various mitre and bevel angles.

Sawing Profile Strips/Mouldings

Sawing Methods

Profile strips/mouldings can be sawn placed against fence or lying flat on saw table. Use slide movement based on width.

Floor Strips/Mouldings Instructions

Table provides instructions for sawing floor strips/mouldings, detailing workpiece positioning and angles.

Sawing Profile Strips/Mouldings

Ceiling Strips/Mouldings (US Standard)

Table provides instructions for sawing ceiling strips/mouldings, specifying mitre angles 31.6° (horizontal) and 33.9° (vertical).

Checking and Adjusting the Basic Adjustment

Adjusting the Laser

Adjust laser beam for accurate cutting line. Includes checking parallelism, flush leveling, and lateral deviation.

Aligning the Angle Indicator (Horizontally)

Check and adjust horizontal angle indicator alignment with the 0° mark on the scale.

Checking and Adjusting the Basic Adjustment

Aligning the Angle Indicator (Vertically)

Check and adjust vertical angle indicator alignment with the 0° and 45° marks on the scale.

Aligning the Fence

Check fence alignment using an angle gauge. Adjust fence position to ensure it is flush with the saw blade.

Setting Standard Bevel Angle 0° (Vertical)

Check and adjust the 0° vertical bevel angle. Ensure leg of angle gauge is flush with the saw blade.

Setting Standard Bevel Angle 45° (Vertical)

Check and adjust the 45° vertical bevel angle. Ensure leg of angle gauge is flush with the saw blade.

Transport

Transporting the Power Tool

Follow steps to secure machine for transport: loosen locking screw, screw depth stop up, bring to transport position, remove accessories.

Maintenance and Service

Maintenance and Cleaning

Disconnect mains plug before work. Keep tool and ventilation slots clean. Ensure blade guard moves freely.

Cleaning the Tool

Keep tool and ventilation slots clean. Ensure retracting blade guard moves freely. Blow out dust and chips. Clean roller and lighting/laser unit.

Maintenance and Service

After-sales Service and Customer Assistance

Contact after-sales service for maintenance, repair, and spare parts. Visit www.bosch-pt.com for information.

Accessories

Available Accessories

List of available accessories with part numbers, including dust bag, material clamp, extension bars, insert plates, and saw blades.

Disposal

Environmental Disposal

Sort machine, accessories, and packaging for recycling. Plastic components are labelled for recycling. EC countries: Do not dispose of in household waste.

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