Power Systems Maintenance: Tools and Equipment for Stationary and Mobile Service

Hand tools

Tools powered by human force instead of a motor, allowing for control and precision.

Screwdrivers

Hand tools designed to drive and turn screws.

Flat-blade screwdriver

Fits a single straight slot; common but can slip out easily.

Phillips screwdriver

Fits a cross-shaped recess; helps center the driver but can cam out.

Torx driver

A star-shaped driver that resists cam-out and is used in power equipment.

Hex/Allen key

Fits hex socket screws, commonly used in equipment guards and set screws.

Wrenches

Tools used to turn nuts and bolts by gripping the outside flats.

Open-end wrench

Grips two sides of a fastener and is fast to position.

Box-end wrench

Surrounds the fastener for better grip and reduced rounding.

Combination wrench

Features an open-end on one side and a box-end on the other for versatility.

Adjustable wrench

Changes jaw width for different sizes; convenienc but can slip.

Socket and ratchet set

Tools designed for speed and access, with sockets fitting over a fastener.

Torque wrench

Applies a specific tightening force to prevent over or under-tightening.

Pliers

Tools used to grip, bend, or cut; various types serve different jobs.

Needle-nose pliers

Reach into tight spaces for small clips, wires, and cotter pins.

Locking pliers

Clamp and hold with a locking mechanism, acting as a temporary third hand.

Diagonal cutters

Cut wire and small pins, but not designed for hardened bolts.

Files

Tools that remove small amounts of material to smooth or shape edges.

Micrometers

Measure with high precision, often used for engine parts and delicate measurements.

Air compressors

Supply compressed air for pneumatic tools and other applications.

Drill presses

Provide stable power to drill accurate, straight holes.

Hydraulic presses

Apply compressive force to install or remove bearings and bushings.

Portable power tools

Cordless systems that allow for mobility and access to hard-to-reach areas.

Measuring tools

Tools like tape measures and calipers that ensure accuracy in maintenance tasks.

Clamps

Hold parts in position for their assembly, drilling, or gluing.

Safety tools

Examples include operating jacks and stands to prevent accidents during maintenance.