Delta 66-750 Instruction Manual Download Page 26 | Manualshive

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26-ENG

D26269

AIR COMPRESSOR DIAGRAM

1

2

31

5 7

6

8

3

For
customer
wiring

31

32

4

19

23

18

22 21

25

26

20

35

34

28

33

13

37

14

9

11

12

36

15

17

16

30

29

41

Torque 50-60 in.-lbs.

Torque
10-15 ft.-lbs.

Torque
70-80
in.-lbs.

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Summary of Contents for 66-750

Page 1: ...elta Machinery To learn more about DELTA MACHINERY visit our website at www deltamachinery com For Parts Service Warranty or other Assistance please call 1 866 422 4286 Oillube Air Compressor with Sin...

Page 2: ...symbols below Please read the manual and pay attention to these symbols IMPORTANT SAFETY INSTRUCTIONS Some dust created by power sanding sawing grinding drilling and other construction activities con...

Page 3: ...roperty damage To reduce the risk of fire do not allow the compressor to operate unattended Always operate the compressor in a well ventilated area free of combustible materials gasoline or solvent va...

Page 4: ...or 1 Failure to properly drain condensed water from tank causing rust and thinning of the steel tank 2 Modifications or attempted repairs to the tank 3 Unauthorized modifications to the unloader valve...

Page 5: ...the compressor is connected provides proper electrical grounding correct voltage and adequate fuse protection The compressed air directly from your compressor is not safe for breathing The air stream...

Page 6: ...can cause serious injury if they com into contact with you or your clothing HOW TO PREVENT IT WHAT CAN HAPPEN WARNING RISK OF FALLING A portable compressor can fall from a table workbench or roof cau...

Page 7: ...unauthorized parts HOW TO PREVENT IT WHAT CAN HAPPEN WARNING RISK OF UNSAFE OPERATION Unsafe operation of your air compressor could lead to serious injury or death to you or others HAZARD HOW TO PREV...

Page 8: ...is called cut in pressure Cut Out Pressure When an air compressor is turned on and begins to run air pressure in the air tank begins to build It builds to a certain high pressure before the motor aut...

Page 9: ...broken in correctly Make sure to closely follow initial start up procedures Multi Viscosity motor oils like 10W 30 should not be used in an air compressor They leave carbon deposits on critical compon...

Page 10: ...id shims may be placed between the washers and floor to evenly distribute weight on all four feet See next figure 6 Place the 4 3 8 lag screws through the air compressor feet washers shims and into th...

Page 11: ...the motor nameplate voltage plus or minus 10 Refer to local codes for recommended wire sizes correct wire size and maximum wire run undersize wire causes high amp draw and overheating to the motor Ele...

Page 12: ...LINES AIR COMPRESSOR Use pipe that is the same size as the air tank outlet Piping that is too small will restrict the flow of air If piping is over 100 feet long use the next larger size Bury undergr...

Page 13: ...air discharge valve Turn knob counter clockwise to open and clockwise to close Drain Valve The drain valve is located at the base of the air tank and is used to drain condensation at the end of each u...

Page 14: ...his filter is designed to clean air coming into the pump This filter must always be clean and ventilation openings free from obstructions See Maintenance Motor Overload Protector This motor has a manu...

Page 15: ...pressure rating for air tools and accessories The regulator outlet pressure must never exceed the maximum pressure rating 2 Recheck all wiring Make sure wires are secure at all terminals connections...

Page 16: ...e sources compressed air or moving parts Personal injuries can occur Before performing any maintenance or repair disconnect power source from the compressor and bleed off all air pressure To Check Saf...

Page 17: ...ly fill crankcase to the top of the fill hole NOTE Crankcase oil capacity is approximately 16 fluid ouncs 473 2 ml Overfilling with oil will cause premature compressor failure Do not overfill 5 Replac...

Page 18: ...ect part number 4 Replace air filter cover and lock into place Motor Pulley Flywheel Alignment NOTE Once the motor pulley has been moved from its factory set location the grooves of the flywheel and p...

Page 19: ...atically when power is on When doing Maintenance you may be exposed to voltage sources compressed air or moving parts Personal injuries can occur Before performing any Maintenance or repair unplug the...

Page 20: ...r carefully push the valve disc up and down NOTE The valve disc should move freely up and down on a spring which holds the valve disc in the closed position if not the check valve needs to be cleaned...

Page 21: ...re The valve can then be removed cleaned then reinstalled 8 Protect the air hose from damage such as being stepped on or run over To Replace Belt Serious injury or damage may occur if parts of the bod...

Page 22: ...fittings where air can be heard escaping Check fittings with soapy water solution DO NOT OVERTIGHTEN Air leaks at fittings Air leaks at pressure switch release valve if equipped Defective pressure swi...

Page 23: ...filter removed Refer to the Air Filter paragraph in the Maintenance section Pressure reading on the regulated pressure gauge if equipped drops when an accessory is used It is normal for some pressure...

Page 24: ...estart see Motor Overload Protector paragraph in the Operation section Tank pressure exceeds pressure switch cut in pressure Motor will start automatically when tank pressure drops below cut in pressu...

Page 25: ...ained Service Technician Belt to tight Check belt tension see Adjusting Belt Tension in the Maintenance section Excessive belt wear Loose belt Tight belt Loose pulley Have checked by a Trained Service...

Page 26: ...26269 AIR COMPRESSOR DIAGRAM 1 2 31 5 7 6 8 3 For customer wiring 31 32 4 19 23 18 22 21 25 26 20 35 34 28 33 13 37 14 9 11 12 36 15 17 16 30 29 41 Torque 50 60 in lbs Torque 10 15 ft lbs Torque 70 80...

Page 27: ...0 16 x 7 16 2 used 18 AC 0217 Manifold 19 Z D22260 Pressure Switch 20 SSP 7811 Nut Sleeve Assembly 1 4 21 SS 2072 1 Nipple 375 NPT x 1 50 22 97503734 Safety Valve 23 GA 360 Gauge 300 PSI 25 SSV 812 Gl...

Page 28: ...28 ENG D26269 PUMP DIAGRAM...

Page 29: ...505 Plug 20 SSP 486 Pipe Plug 3 8 18 NPT 2 used 21 SSN 1018 Washer Wavy Spring 22 AC 0169 Oil Seal 23 SST 104 Ball Bearing 2 used 24 SSN 1014 ZN Washer 339 344 ID 1 1 2 25 SSF 3039 ZN Screw 5 16 18 x...

Page 30: ...60 and 80 gallon tanks will be inspected at the site of installation Contact the nearest Authorized Warranty Service Center that provides on site service calls for service call arrangements If the pu...

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