Dewalt D55168 Support Question
Dewalt D55168 Support Question
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Question posted by heroot426 on January 27th, 2021
Everything's Running But Doesn't Build Up Any Air Pressure
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Current Answers
Answer #1: Posted by Odin on January 27th, 2021 1:34 PM
Odin
Member since:
April 10th, 2010 Points: 41,236,710
Member since:
April 10th, 2010 Points: 41,236,710
Look for the troubleshooting code, and find that code in the Troubleshooting Guide/Codes starting at https://www.manualslib.com/manual/1154804/Dewalt-D55168.html?page=18.
If the issue persists or if you require further advice--or if the instructions don't seem to apply--you may want to consult the company: use the contact information at https://www.contacthelp.com/dewalt/customer-service.
Hope this is useful. Please don't forget to click the Accept This Answer button if you do accept it. My aim is to provide reliable helpful answers, not just a lot of them. See https://www.helpowl.com/profile/Odin.
Related Dewalt D55168 Manual Pages
Instruction Manual - Page 2
...Pressure Gauge C. Pressure Regulator E. Pressure Switch
Pump/Motor Specifications
Voltage: Single Phase 120V Minimum branch circuit requirement: 15 A Fuse Type: Time delay
Specifications
MODEL WEIGHT HEIGHT WIDTH LENGTH AIR TANK CAPACITY (GALLONS) APPROX CUT-IN PRESSURE APPROX. Regulated Pressure Gauge D. Safety Valve H. Air Tank Drain Valve
I A G
D E
F
H English
D55168...
Instruction Manual - Page 3
...or serious injury. When using such tools. WARNING: This product contains chemicals, including lead, known to the State of severity for electrical contacts within the motor and pressure switch to spark.
• Always...NIOSH approved, properly fitting face mask or respirator when using air tools, basic safety precautions should always be followed to reduce the risk of of combustible materials, ...
Instruction Manual - Page 4
...least 12" (30 cm) away from any wall or obstruction that would restrict the flow of fresh air to human consumption.
• Sprayed materials such as paint, paint solvents, paint remover, insecticides, weed...your compressor is operating.
• Always turn off and unplug unit when not in use air produced by this product could cause fire.
• Unattended operation of this compressor for ...
Instruction Manual - Page 5
... a DEWALT authorized service center in accordance with national and local electrical codes.
5 Never attempt to ASME Section VIII, Div. 1 rules. Attachments & accessories:
• Exceeding the pressure rating of air tools, spray guns, air operated accessories, tires, and other inflatables can result in wet conditions.
• Never operate compressor with...
Instruction Manual - Page 6
... to this product could result in serious injury or death from the air hose and air tank before attempting maintenance, attaching tools or accessories. Compressor will remain hot for several minutes after operation.
...; Always turn the compressor off and bleed pressure from electrocution. See Grounding Instructions under Installation.
• Make certain that the electrical circuit to cool....
Instruction Manual - Page 7
...OF UNSAFE OPERATION
WHAT CAN HAPPEN
HOW TO PREVENT IT
• Unsafe operation of your air • Review and understand all
compressor could result in serious injury or death to the...death to reach high locations.
others.
• Become familiar with the
operation and controls of the
air compressor.
• Keep operating area clear of the unit. Stay alert at all times.
•...
Instruction Manual - Page 8
... valve
controlled by popping out at the air outlet. When the motor stops running or after the unit
reaches "cut -out pressure. The regulator (D) controls the air pressure shown on the side of the pressure
The outlet pressure gauge (C) indicates
switch, is reached push knob in to decrease pressure. When the desired pressure is designed to automatically release compressed...
Instruction Manual - Page 9
... whip. 1. Ensure regulated pressure gauge reads 0 PSI (0 kPa). 2. In the event of a short circuit, grounding reduces the risk of unsafe operation. The portable air compressor is seated. Inspect... hose in accordance
L
with a grounded outlet
(K). DANGER: Risk of damage.
4. Ensure regulated pressure gauge reads 0 PSI (0 kPa). 2. Coupler will shut off the motor. Allow the motor ...
Instruction Manual - Page 10
... containers on the compressor are designed to a circuit protected by attaching another length of the air hose by fuses, use only time delay fuses. These impurities may also be used to ...20 amp circuit. Time delay fuses should be operated on the rubber feet. WARNING: The air compressor pump and shroud are necessary to the compressor or surrounding items if the compressor is secured...
Instruction Manual - Page 11
... oil mist. Always store compressor in instructions are not closely followed. Ensure the On/Off switch (A) is reached push knob in place.
7. When the desired pressure is in the OFF position. Some air tools and accessories may result if
the following break-in a vertical position resting on
wheels. Check the manufacturer's maximum...
Instruction Manual - Page 12
... bled off , it is performed on the air compressor.
1. Run the compressor for the air tool or device.
3. Move the On/Off switch to the ON position and allow tank pressure to desired setting.
Do not spray unfiltered air at an item that are periodically replaced. Adjust regulator (D) to build.
NOTE: When the unit has been turned...
Instruction Manual - Page 13
...be kicked up into an inclined position so drain valve (H) is in Fig. 2).
When air tank pressure gauge reads 10 PSI (275.1 kPa), rotate valve to
servicing.
1. Close drain valve when... the drain valve to cool.
3. Grasp black lever on the safety valve to pull when air tank pressure is in filter
base. Risk of unsafe operation. Allow unit to catch discharge. 4. Remove ...
Instruction Manual - Page 14
... assistance in Latin America. FREE WARNING LABEL REPLACEMENT: If your warning labels become illegible or are warranted for use with this tool could be performed by others. CAUTION: Risk of the air compressor.
ACCESSORIES
Recommended accessories for use with your local dealer or authorized service center. SERVICE INFORMATION
Please have a Trained Service...
Instruction Manual - Page 15
... any given hour.
15 Duty Cycle: This air compressor pump is , the air compressor pump should not run , air pressure in pressure. When the tank pressure drops to build. However, to prolong the life of your air tank from electrical panel to a certain high pressure before the motor automatically shuts off, protecting your air compressor, it is recommended that is capable...
Instruction Manual - Page 16
... operate accessories 8,9,10,11,12,23
Regulator knob has continuous air leak 13
Regulator will not shut off air outlet 13
Motor will not run ...6,14,15,16,17,18,19,20,21
Squealing Sound ...22
Troubleshooting Codes
CODE POSSIBLE CAUSE
POSSIBLE SOLUTION
1
Pressure switch does not shut off motor when compressor Set the...
Instruction Manual - Page 17
... needed to Motor Overload Protection under Features if pressure drop is being
used , adjust the regulator as instructed in pressure of air
9
Compressor is not large enough for some pressure drop to occur when an accessory is used
8
Prolonged excessive use of pressure switch. WARNING: Risk of air usage. Remove, clean or replace.
Refer to operate...
Instruction Manual - Page 18
...
17
Loose electrical connections
18 Possible defective motor
19 Paint spray on internal motor parts
20
Pressure release valve on pressure switch has not
unloaded head pressure
21 Fuse blown, circuit breaker tripped
22
Worn Belt
23
Restricted air intake filter
18
POSSIBLE SOLUTION
Check for our particular branch circuit.
2. Contact a DEWALT factory service...
Instruction Manual - Page 56
A18764 D55168 Copyright © 2006 DEWALT
The following are trademarks for one or more DEWALT power tools: the yellow and black color scheme; the "D" shaped air intake grill; and the array of lozenge-shaped humps on the surface of pyramids on the handgrip; DEWALT Industrial Tool Co., 701 Joppa Road, Baltimore, MD 21286 (AUG06) Form...
Parts Diagram - Page 2
All Rights Reserved.
Please visit www.dewaltservicenet.com for D55168 Type 5
Description
Qty Required
A16537
TANK ASSEMBLY
1
N008517
WHEEL
2
A01194
BOLT .375-16X2.38 UN
2
SSF-8111-ZN
NUT .375-16 HEX WHIZ
2
SST-5314-1
...
Parts Diagram - Page 3
...
Parts List for current parts information. Parts list, pricing, and availability subject to change. Page 2 All Rights Reserved. Please visit www.dewaltservicenet.com for D55168 Type 5
Description
Qty Required
REGULATOR BONNET
1
KNOB
1
REGULATOR/MANIFOLD
1
GAUGE
1
FITTING
1
GAUGE
1
MICRO PRESS.
SWITCH
1
SAFETY VALVE
1
BRACKET
1
COVER
1
SHROUD REAR
1
FILTER ASSY...
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