Rolair 5715K17 - User Manual

Questions and Answers

C
cobbtroyJul 26, 2025
Why is my Rolair 5715K17 pump slow to build tank pressure?
- M
  millschristineJul 27, 2025
  A slow-building tank pressure in your Rolair Air Compressor can stem from several issues: * A loose or slipping belt: adjust the belt tension. * Excessive leaks in the system: correct any air leaks. * A blown gasket: replace the head gaskets. * A broken reed valve: replace the reed valves. * An obstructed intake filter: clean or replace the intake element. * A leaking regulator: replace the regulator. * A defective pilot valve: replace the pilot valve.
R
Robert DeleonJul 30, 2025
What to do if my Rolair Air Compressor motor trips the overload/reset button?
- J
  Julie AndersonJul 30, 2025
  If the motor trips the overload/reset button, it might be due to several reasons: * The motor is starting and stopping too often: consider installing a constant speed or dual control kit. * The overload is defective or weak: replace the overload. * Improper gauge of extension cord: use longer lengths of air hose or a heavier cord. * Stripped or poorly tightened motor thru bolts: retighten or replace the stripped thru bolts. * Cracks in the end bell or housing: take the unit in for service.
A
Andrew DixonAug 4, 2025
What to do if my Rolair Air Compressor electric motor is dead and won't hum?
- C
  christopher89Aug 4, 2025
  If your Rolair Air Compressor's electric motor is dead and doesn't even hum, check for these potential causes: * The thermal overload tripped: locate and push the reset button. * The reset is physically broken: replace the overload/reset. * Loose motor leads or electrical connections: locate and correct any loose electrical connections. * A short in the power cord: replace the power cord.
L
leemicheleAug 8, 2025
Why does my Rolair 5715K17 have excessive oil consumption?
- R
  richard20Aug 8, 2025
  Excessive oil consumption in your Rolair Air Compressor might be caused by: * Too much oil in the crankcase: drain it to the proper level. * Improper weight of oil: replace it with the proper oil. * An obstructed crankcase vent: replace the dipstick or oil fill plug/crankcase vent. * Dirty or plugged intake filter: clean or replace the intake filter. * Worn piston rings or a scored cylinder: take the unit in for service.
J
john63Aug 12, 2025
What to do if my Rolair 5715K17 Air Compressor is overheating?
- G
  gdeckerAug 12, 2025
  If your Rolair Air Compressor is overheating, consider the following: * Poor ventilation: relocate the compressor to a better-ventilated area. * Improper pump rotation: contact an electrician. * Internal pump problem: take the unit in for service.
S
Sarah NashAug 16, 2025
Why is my Rolair 5715K17 gasoline engine hard to start?
- B
  Brandon WilliamsAug 16, 2025
  If the gasoline engine of your Rolair Air Compressor is hard to start, it could be due to: * A fouled, incorrect, or improperly gapped spark plug: install the proper spark plug after gapping it to factory specifications. * Improper engine oil level: fill to the top of the threads for the oil plug. * Improper weight of pump or engine oil: change to the proper weight of oil for the operating temperature. * Improper or old gas: take the unit in for service.
S
Spencer SmithAug 20, 2025
What causes a knocking noise in my Rolair 5715K17?
- M
  Meghan RaymondAug 21, 2025
  A knocking noise in your Rolair Air Compressor could be due to: * A loose pulley or flywheel: tighten the appropriate parts. * Loose belts: adjust the belt tension. * An internal pump problem: take the unit in for service.

Summary

SPECIFICATIONS AND GUIDELINES

OIL TYPE TABLE

Provides recommended oil types based on temperature.

EXTENSION CORD TABLE

Specifies minimum wire size for extension cords based on length and HP.

CUSTOMER OPERATING RESPONSIBILITIES

Operating Instructions

Key guidelines for proper and safe operation of the air compressor.

REPLACEMENT PARTS INFORMATION

Ordering Replacement Parts

Steps to follow when ordering genuine ROLAIR replacement parts.

PERTINENT INFORMATION RECORD

Documenting Compressor Details

Section to record purchase details, model, serial number, and performance test results.

OPERATORS MANUAL INTRODUCTION

Understanding Safety Symbols

Explains the meaning and severity levels of DANGER, WARNING, and CAUTION symbols.

GENERAL SAFETY WARNINGS

Risk of Asphyxiation

Hazards of inhaling compressed air and how to avoid them.

Risk of Bursting

Hazards related to air tank integrity and maintenance.

Risk of Electrocution or Electrical Shock

Dangers of electrical hazards and proper safety precautions.

Risk of Explosion or Fire

Hazards associated with flammable materials and ignition sources.

SPECIFIC SAFETY HAZARDS

Risk from Moving Parts

Hazards from contact with rotating components like belts and pulleys.

Risk of Burn

Danger of touching hot metal parts after operation.

Risk of Injury from Lifting

Precautions for lifting heavy objects to prevent injury.

Flying Objects

Hazards from debris propelled by compressed air.

Risk of Unsafe Operation

General unsafe practices and their consequences.

Risk of Damage to Air Compressor or Property

How improper handling can cause damage or leaks.

AIR COMPRESSOR SYSTEM CONTROLS

Safety Relief Valve

Function and importance of the safety relief valve.

Manual Overload;Motor Reset

How to reset the motor overload protection.

Pressure Switch

Operation of the switch that controls motor start/stop.

Regulator-Working Pressure

How to adjust the output air pressure.

Pressure Gauge(s)

Purpose of gauges for monitoring pressure.

Drain Valve(s)

How to drain moisture from the tank.

Air Intake Filter

Importance and maintenance of the air intake filter.

ADDITIONAL SYSTEM CONTROLS

Pilot Unloader Valve

Function of the pilot unloader valve on gas units.

Sight Gauge;Dipstick

How to check the oil level using the sight gauge or dipstick.

Check Valve

Role of the check valve in maintaining tank pressure.

Breather;Oil Fill Plug

Function of the crankcase vent and oil fill plug.

Automatic Idle Control

How the engine idle speed is managed.

Cold-Start Valve

Valve to assist with cold weather starting.

Schmidt Belt Tightening Device

Procedure for adjusting belt tension on gas units.

Vibration Dampener(s)

Importance of rubber pads for vibration protection.

Engine Kill Switch

Function of the switch to stop the engine.

Engine Choke

How to use the choke for starting a cold engine.

Fuel Shut-Off Valve

Operation of the fuel shut-off valve.

PRE-OPERATIONAL CHECKLIST

Operating in a Level Position

Ensures proper oil submersion and prevents warranty void.

Clean, Dry, Ventilated Area

Importance of environment for cooling and safety.

Check Oil Level

Daily check and regular oil changes are crucial.

Inspect;Clean Intake Elements

Regular maintenance of filters prevents wear.

Use Proper Air Hose;Extension Cords

Guidelines for air hose length and extension cord usage.

Do Not Use Generator

Generators may not provide sufficient power for starting.

Check Bolt;Belt Tension

Regular checks prevent vibration and premature failure.

Maintain Vibration Pads

Essential for preventing vibration damage and maintaining warranty.

Drain Moisture Daily

Prevents internal tank corrosion.

OPERATING INSTRUCTIONS

Direct Drive Electric Operation

Procedures for starting and operating direct drive electric models.

Belt-Driven Electric Operation

Start/stop, constant speed, and dual control operation for belt-driven units.

Gas-Powered Operation

Specific operating instructions for gas-powered models.

MAINTENANCE AND CARE

Maintenance Hints

General tips for keeping the compressor in peak condition.

Lubrication

Proper oil checking and usage guidelines.

Oil Type Table

Recommends oil types based on temperature for optimal performance.

Maintenance Schedule

Recommended checks and tasks on a daily, weekly, monthly, and quarterly basis.

TECHNICAL SPECIFICATIONS AND ADJUSTMENTS

Torque Specifications

Recommended torque values for various bolts and components.

Pilot Valve Adjustment Procedure

Detailed instructions for adjusting pilot valve settings.

Belt Tightening Procedure (Gas Units)

Procedure for adjusting belt tension on gas units.

Drive Pulley Maintenance

Importance of pulley alignment and belt tension.

Gasoline Engine RPM Specifications

Factory-set RPMs for optimal performance.

TROUBLESHOOTING GUIDE

Troubleshooting: Slow Pressure Build-Up

Common causes and solutions for slow pressure build-up.

Troubleshooting: Excessive Oil Consumption

Reasons for high oil usage and how to fix them.

Troubleshooting: Knocking Noise

Diagnosing and resolving knocking sounds from the pump.

Troubleshooting: Overheating

Causes and solutions for compressor overheating.

Troubleshooting: Motor Dead

Troubleshooting steps when the motor doesn't start.

Troubleshooting: Motor Overload Trip

Reasons for the motor overload tripping.

Troubleshooting: Gas Engine Start Issues

Common issues and fixes for starting the gas engine.

WARRANTY AND GUARANTEE

Warranty Coverage Details

Explains the duration and terms of the compressor warranty.

QUALITY COMMITMENT

Commitment to Quality

ROLAIR's dedication to quality control and product research.

COMPRESSOR PARTS SCHEMATIC

Model Coverage

Identifies the models covered by the schematic (5715K17, 6715K17, 6820K17, 3095K18).

Component Illustration

Visual representation of compressor components with part numbers.

MODEL PARTS LISTS

Parts List: 5715 K17;6715 K17;6820 K17

Detailed list of parts with descriptions and part numbers.

Parts List: 3095 K18

Specific parts list for the 3095K18 model.

Optional Accessory Parts

List of available optional accessories for the compressor.

PUMP ASSEMBLY SCHEMATIC

Pump Model Coverage

Schematic specific to the PMP12K17 pump.

Pump Component Diagram

Detailed view of pump components with part numbers.

PUMP PARTS DETAIL

Pump Component Parts List

Comprehensive list of parts for the PMP12K17 pump.

Aftercooler Assembly Parts

Specific parts for the aftercooler assembly.

Rolair 5715K17 Specifications

General

Brand	Rolair
Model	5715K17
Category	Air Compressor
Language	English

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