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Lincoln Electric SVM187-A service manual Engine Fuel System Voltage Tests

Models: SVM187-A

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F-74

TROUBLESHOOTING AND REPAIR

F-74

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ENGINE FUEL SYSTEM VOLTAGE TESTS (continued)

 

 

 

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FIGURE F.27 – PC BOARD

 

 

 

 

 

Return

Return

J1-9 (+), 11 TO 13 VOLTS

 

 

 

 

 

 

 

 

TO FUEL SOLENOIDS

 

 

 

J1-1 (+), BATTERY

 

J1-5 (-), CHASSIS

VOLTAGE INPUT TO

 

PC BOARD

 

GROUND

 

 

Return to Section TOC

Return to Master TOC

 

 

PROCEDURE

 

 

 

1.

Open the doors on the SAE-400 machine.

 

 

NOTE: The secondary solenoid will only have voltage

 

 

WARNING: Secure the

doors in the open

position

if the fuel system temperature switch is closed.

 

 

Consult a Perkins engine service facility for

TOC

 

 

using the door restraint system. If

the

TOC

 

precise information about the temperature

 

machine does not have a door restraint

 

switch and other fuel system electrical compo-

Sectionto

Masterto

 

system, remove

the doors or

securely

nents.

 

 

 

restrain them to prevent them from falling

 

 

 

 

 

 

 

closed.

 

 

 

 

 

Return

Return

 

 

 

 

 

 

 

If battery voltage is present at the solenoids and the

2.

Check the

wiring

and

connections

on

the

fuel pump (If equipped), and the starter motor is crank-

ing the engine normally, the problem is likely in the

 

Idle/Engine protection PC

board, the engine

fuel

 

engine. Engine problems should be diagnosed and

 

 

 

system injection pump solenoids, the fuel system

 

 

 

repaired by a qualified Perkins engine technician.

 

 

 

temperature switch, (The fuel pump for Codes

 

 

 

 

 

 

 

11199 & 11408), and chassis ground. Look for dirty,

 

 

 

 

corroded, or

damaged terminals, including

the

If battery voltage is not present at the solenoids and

 

 

 

Molex terminals connecting the wiring to the PC

 

 

 

fuel pump (if equipped) follow the procedures below.

 

 

 

board. Look for poor crimp connections and dam-

 

 

 

 

 

 

 

aged wiring.

 

 

 

 

 

 

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TOC

3. Make sure the batteries are in good condition, and

 

Section

Master

 

 

are fully charged, then place the run/stop switch in

 

 

 

 

 

 

 

 

the run position. Within 30 seconds, check for bat-

 

to

to

 

tery voltage (11 to 13 VDC), across the primary and

 

 

secondary fuel solenoids, (and the fuel pump for

 

Return

Return

 

 

 

Codes 11199 & 11408). See the wiring diagram.

 

 

 

 

 

 

 

 

 

 

 

SAE-400 SEVERE DUTY

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Page 114
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Lincoln Electric SVM187-A service manual Engine Fuel System Voltage Tests
Page 113 Page 115

SVM187-A specifications

The Lincoln Electric SVM187-A is a cutting-edge welding machine designed for professional welders and industrial applications. Known for its reliability and performance, it stands out in the competitive welding equipment market. This versatile machine is structured to handle various welding processes, making it a popular choice among users.

One of the primary features of the SVM187-A is its multifunctional capabilities. It supports MIG, TIG, and Stick welding, allowing users to switch between different welding techniques seamlessly. This flexibility makes it suitable for diverse applications, whether working on automotive repairs, metal fabrication, or construction projects. Additionally, the machine is equipped with a robust power output, ranging from low to high amperage settings, enabling users to tackle a wide array of materials, including mild steel, stainless steel, and aluminum.

The SVM187-A incorporates advanced inverter technology, which ensures increased efficiency and reduced energy consumption. This technology leads to a more compact design, making the unit portable and easy to transport. The lightweight construction of the machine does not compromise its durability; it is built with high-quality materials to withstand the rigors of a professional workshop.

Another notable characteristic of the SVM187-A is its user-friendly interface. The intuitive control panel includes digital displays for precise settings adjustments, ensuring accuracy during operation. Beginners and seasoned welders alike can benefit from the clear and straightforward design, reducing training time and enhancing productivity.

Safety features are paramount in the SVM187-A's design. The machine is equipped with thermal overload protection, ensuring that it operates within a safe temperature range to prevent damage and promote longevity. Additionally, it features automatic voltage regulation, which maintains a stable arc even under varying input voltage conditions.

In summary, the Lincoln Electric SVM187-A is a versatile, efficient, and user-friendly welding machine suited for both professional and industrial applications. Its multifunctionality, inverter technology, and robust safety features set it apart from competitors, making it a reliable choice for welders seeking to elevate their craftsmanship while ensuring safety and efficiency. This machine represents the innovation and quality that Lincoln Electric is renowned for in the welding industry.