Power Tech Generators PTI-20-T4F User Manual

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Generating Power to the World

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PTI-15/20-T4F Operators Manual

Power Technology Southeast

634 State Road 44

Leesburg, FL 34748-8103

Phone: (352)-365-2777

Fax: (352) 787-5545

Table of Contents

Questions and Answers:

A
Alexander SosaAug 10, 2025
What to do if my Power Tech Generators PTI-20-T4F engine cranks but doesn’t start?
- J
  Jeffrey HowardAug 10, 2025
  If your Power Tech Generators Portable Generator engine cranks but doesn’t start, here are a few things to check: * **Fuel:** Make sure you have enough fuel. If not, add fuel. * **Fuse:** Check the control box for a blown fuse and replace it. * **Fuel Relay:** Inspect the fuel relay for damage and replace it if needed. * **Fuel System:** If the fuel system lost prime, use the primer on top of the fuel filter.
R
Robert NguyenAug 16, 2025
How to fix a Power Tech Generators PTI-20-T4F Portable Generator when the engine does not crank from the local controller?
- K
  Katrina BaileyAug 17, 2025
  If the engine of your Power Tech Generators Portable Generator doesn't crank from the local controller, consider the following: 1. **Battery:** Check if the battery is low or the terminals are dirty. Clean the terminals and recharge the battery. Replace the battery if necessary. 2. **Wiring:** Refer to the engine control wiring diagram and check the crank connections. 3. **Fuse:** Replace the blown cranking fuse with a new fuse of identical size.
J
Jason HuntAug 25, 2025
How to start a Power Tech Generators PTI-20-T4F that will not start via remote panel?
- A
  angela21Aug 25, 2025
  If your Power Tech Generators Portable Generator won't start via remote panel, make sure: the generator is in “auto” mode via the controller; the remote connection plug is properly connected.
J
James Lloyd PhDSep 2, 2025
What to do if Power Tech Generators Portable Generator engine starts but genset not producing voltage?
- P
  Paul CamachoSep 2, 2025
  If the Power Tech Generators Portable Generator engine starts but the genset is not producing voltage: * Ensure the main breaker is in the “on” position. * Visually inspect all generator output leads for connectivity.

Power Tech Generators PTI-20-T4F Specifications

General

Brand	Power Tech Generators
Model	PTI-20-T4F
Category	Portable Generator
Language	English

Summary

Limited Warranty on Power Tech Generators

THE WARRANTY COVERAGE TERMS

THIS WARRANTY DOES NOT COVER THE FOLLOWING

SAFE OPERATION

Observe Safety Instructions

Read and follow the operator's manual and engine labels before operating.

Wear Safety Clothing

Check Before Operating the Engine

Ensure no malfunctions, guards are in place, and the area is clear before starting.

Safe Handling of Fuel and Lubricants

Stop engine before refueling, avoid smoking, refuel in open areas, and clean spills.

Exhaust Gases and Fire Prevention

Engine exhaust is harmful; run in ventilated areas and keep combustibles away.

Escaping Fluids

Relieve pressure before disconnecting lines; use caution with high-pressure fluids.

Cautions Against Burns and Battery Explosion

Be alert for hot components; do not open radiator cap when hot; battery gases are explosive.

Keep Hands and Body Away From Rotating Parts

Stay clear of rotating parts like fan and belts to prevent serious injury.

CONDUCTING SAFETY CHECKS AND MAINTENANCE

General Safety Checks and Maintenance Procedures

Ensure level support, detach battery, stop engine, use correct tools, and replace hoses/clamps.

Operating the Generator

Daily Pre Operational Checks

Check engine oil, battery terminals, coolant level, fuel, and belts before operation.

Using the PTG Series Controller

Front Panel Items

Control Buttons and Indicator

Using the Menu System

Modes, Starting and Stopping Methods

Controller Operating Modes

Describes OFF, Auto, Running, Failure, and Menu states of the controller.

Engine Specifications

Engine Make and Model Details

Fluid and Filter Specifications

Engine Maintenance Schedule

Scheduled Maintenance Items and Intervals

Table outlining daily, 150, 500, and 1000-hour service items and remarks.

Engine Oil Maintenance

Checking the Engine Oil Level

Lubricating Oil Specifications

Recommended Oil Grade and Viscosity

Specifies CJ-4 API class for engine oil and SAE viscosity based on ambient temperature.

COOLANT RECOMMENDATIONS

Coolant Mixture and Type

Checking Radiator Coolant Level

COOLANT SERVICE LIFE

CHECKING RESERVOIR TANK

Coolant Level Check

CLEANING RADIATOR CORE

GENERATOR ASSEMBLY INFORMATION

ELECTRONIC VOLTAGE REGULATION

VOLTAGE CONNECTION

EXCITER FIELD COIL VOLTAGE SOURCE

BEARING

TROUBLESHOOTING

Common Generator Issues and Solutions

Table listing troubles, possible causes, and suggested actions for common problems.

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