Diesel Technology (DESL)

DESL S101 Introduction to Heavy Duty Mechanics

3 credits (2+2)
This introductory course gives the student a look into the world of heavy duty mechanics. Students rebuild a diesel engine, operate heavy duty equipment, and take field trips to local shops. This course is limited to high school age students.

DESL S102 Lubrication, Preventative Maintenance, and Inspections

2 credits (1 + 2)
Prepares students to effectively perform visual inspections and preventative maintenance operations at different levels on machines. Also covers proper lubricants, fluids, and fittings. Types and uses of machines, proper tooling, basic mechanical systems, and safety are stressed. Introduction to various machine systems and adjustments are included.

DESL S106 Diesel Engines Simplified

3 credits (2.5+1.5)
This course is perfect for the owner/operator of a diesel engine in a boat, pick-up, or other application. The course is designed to familiarize students with diesel engine operation, maintenance, and minor repairs. At least half of each class period is spent working on real diesel engines in our well equipped lab. No tools or previous mechanical experience is needed. Learn to be comfortable owning or operating your diesel engine.Pass/Fail grading.

DESL S107 Diesel Fuel Systems

4 credits (3+2)
Diesel injection systems will be covered in detail including mechanical pumps and injectors through current electronic common rail fuel systems. Diesel emission control systems and diesel intake air systems will also be covered. Introduction to essential electronic theory including use of scan tools in the diagnostic process combined with use of Internet-based service information systems.
Prerequisite: DESL S121 or AUTO S121 or instructor permission.

DESL S110 Diesel Engines

6 credits (2.5+7)
This course covers all aspects of diesel engines that are used in modern heavy equipment including marine, truck and stationary applications. Troubleshooting, repair, parts reuse, and engine rebuilding are included. One full day each week is spent in the lab rebuilding a diesel engine. Students can bring their own diesel engine to rebuild with the permission of the instructor.

DESL S121 Basic Electrical Systems

3 credits (2 + 2)
Cross-listed as AUTO S121. Covers history and origins of electrical theory through the generation of electricity. Includes diagnosis, minor repair and general service of alternators, starters and batteries.

DESL S125 Basic Hydraulics

3 credits (2.5+1)
Basic laws governing hydraulic design, layout and application. Introduction to components to include: disassembly and reassembly of pumps, motors, control valves and cylinders. Understanding of hoses, pipe fittings, seals and gaskets.

DESL S130 Refrigeration and Air Conditioning

2 credits (1+2)
This class will cover application, system operations, maintenance and safety principals of refrigeration. Students will learn about components making up a refrigerant. Troubleshooting and avoiding common problems included.

DESL S131 Electrical II

3 credits (2+2)
Cross-listed as AUTO S131.Theory, diagnosis, and repair of automotive electrical systems, to include testing tools, schematics, and computers.
Prerequisite: DESL/AUTO S121.

DESL S161 Applied Marine Hydraulics

1 credit (.5 + 1)
Preventative maintenance course designed for boat mates and engineers. Includes repair, troubleshooting, adjustment, and installation of vessel hydraulics.

DESL S180 AC Power Generation

3 credits (2+2)
Study of AC power generation methods used in marine and industrial applications. The interface of diesel engines to power generation is strongly emphasized. Covers AC generation theory, safety, regulation, installation, troubleshooting, and repair of the types of units commonly used in Southeast Alaska.
Prerequisite: AUTO/DESL S121.

DESL S225 Advanced Hydraulics

3 credits (2+2)
Advanced hydraulics systems incorporating variable displacement pumps, proportional control valves, hydraulic load sensing systems, and hydrostatic power trains. Schematic interpretation, testing, and adjusting of hydraulic and electronic controls are emphasized. Course includes classroom and hands-on labs.
Prerequisite: DESL S125 or DESL S161 with a C or better, or instructor permission.

DESL S250 Heavy Duty Brakes and CDL Preparation

2 credits (1+2)
An in-depth study of the various types of braking systems used in current trucks and heavy equipment applications. This course also prepares the student to take the State of Alaska Commercial Driver's License (CDL) "class B" written exam and obtain a 2-year CDL temporary learner's permit.

DESL S255 Heavy Duty Suspension and Alignment

2 credits (1+2)
A thorough study of heavy equipment frames and suspension systems and their components. Adjustments, repairs and cautions along with tire and track alignments.

DESL S260 Heavy Duty Power Trains

3 credits (1+4)
Basic operation and repair of heavy equipment components from the flywheel to the wheels or tracks: clutches, transmissions, transfer cases, differentials, multi-speed rear ends, and final drives.

DESL S261 Marine Auxiliary Systems

3 credits (3+0)
Mechanical and electrical systems on pleasure and commercial vessels. Includes engine installation, shaft alignment, propeller calculation, fuel and water systems, and other marine system design and installation. Should be taken concurrently with DESL S262.

DESL S262 Marine Auxiliary Systems Lab

2 credits (0+4)
Supplements DESL S261 with specific exercises. Engine, shaft and propeller, exhaust, electrical and other systems are designed, installed and tested. Should be taken concurrently with DESL S261.

DESL S263 Marine Transmissions

3 credits (1+4)
A study in the operation, maintenance and repair of marine transmissions and other shipboard gearing units like winches and stern drives.