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Schem 

Description Part 

Qty. 

Schem 

Description Part 

Qty. 

Twin Cylinder Pump with 
Flywheel 

PMP12K17CH 1 

24 Drain 

Valve 

132BV 

25 

Twin Tank Assembly 

TNKASY4090K17 

 

Twin Cylinder Pump less 
Flywheel 

PMP12K17CHLF 1 

26 Rubber 

Foot 

219 

27 Cotter 

Pin 

181A 

2A Gasket 

30501490CH 

1  28 Axle 

181 

2B O-Ring 

30502510CH 

1  29 Fully-Pneumatic Tire with Sealant 

WLS30SEAL 

3A Aftercooler 

32901460CH 

1  30 Pulley 

PUAK44X0750 

3B 

Aftercooler  - O-Ring Style 

Use 3290146ACH 

31 

Belt Guard Cover 

BG9145 

Brass Elbow 

145D 

32 

Belt Guard Base 

BG9140B 

Braided Discharge Tube 

145F 

33 

Belt 

BT4L510 

6 Drain 

Valve 

132 

1  34 Flywheel 

31007280CH 

Check Valve 

CV4X4TA 

35 

Silencer/Filter Assembly 

FS14050 

8 Brass 

Elbow 

BREL0250X0125H16 

 

Filter Element – Replacement for 
Above 

431 1 

9 Hose 

Clamp 

177 

10 

1/4” Nylon Tube – 14.4” 

178D 

1.2’ 

36 

Honda Engine  

ENG05HO1 

 

Brass Nut 

BRNT0250 

37 

Brass Elbow 

BREL0250X012539 

 

Brass Sleeve 

BRSL0250 

38 

Throttle Control Kit 

192EGX160K1QX 

 Brass 

Ring 

BRRG0250 

2  39 

Gauge 

GA0250200GC 

11 Pilot 

Unloader 

Valve 

131B 

1  42 Belt 

Tightener/Mounting Kit 

SBT5HP-ANGLE* 

 Felt 

Muffler 

131BM 

1  43 

Screw 

MIS10008 

 Retainer 

Ring 

131BR 

1  44 

Bolt 

37302530CH 

12 Nipple 

 

BLNP0250X1500 

1  45 Bolt 

MIS10094 

13 Aluminum 

Block 

Manifold 154 

1  46 Bolt 

MIS10022 

14 

Safety Relief Valve 

SRV0250N165 

 

Lock Washer 

MIS10099 

15 Nipple 

BLNP0500X1500 

  Washer 

MIS10108 

16 Quick 

Disconnect 

309A 

  (Accessories) 

 

 

17 Accessory 

Bracket 

210 

1  47 Lubricator 

LUB0375 

18 Brass 

Coupler 

BRCP0375X0375H12 

2  48 Regulator 

REG0375 

19 

Hose Clamp 

177A 

49 

Filter (Water Trap) 

FIL0375 

20 

3/8” Rubber Hose – 16” 

178A 

1.34’ 50 Accessory 

Bracket 

210 

21 Cap 

BLCA0250 

1  51 Nipple 

BLNP0375X1500 

22 

1/4” Rubber Hose – 36” 

178 

3’ 

52 Brass 

Coupler 

BRCP0375X0375H12 

23 Handle 

Grip 

328 

2  53 Gauge 

GA0250200GC 

*For units built prior to February 2005, order SBT5HP-SQUARE. 

 
 

PARTS LIST FOR MODEL 4090HK17 

606 South Lake Street > P.O. Box 346 > Hustisford, WI 53034-0346 > 920.349.3281 > fax 920.349.3691 > www.rolair.com

Summary of Contents for 4090HK17

Page 1: ...MODEL 4090HK17 4090RK17 SERIAL __________________ INSTRUCTION MANUAL 606 South Lake Street P O Box 346 Hustisford WI 53034 0346 920 349 3281 fax 920 349 3691 www rolair com...

Page 2: ...fuel line before transporting a gas powered air compressor If left open gas will seep past the needle seat in carburetor mix with the oil in the engine s crankcase and foul out the spark plug Replacem...

Page 3: ...save time and expense by including this reference information when requesting service or replacement parts Place Date of Purchase Volts Model HZ Serial HP With the tank gauge at 0 PSI and air line s d...

Page 4: ...ast This manual was compiled for the benefit of the operator Do not use or allow anyone else to use your air compressor until this manual is read and all safety operating instructions are understood B...

Page 5: ...imum pressure recommendations Never exceed the manufacturer s maximum allowable pressure ratings Do not use compressor to inflate small low pressure objects such as toys Risk of Electrocution or Elect...

Page 6: ...ssor Never point the air stream or tools at any point of your body other people or animals Always turn off the air compressor and drain tank pressure completely before attempting maintenance or attach...

Page 7: ...start and stop automatically within the settings of the pressure switch which are typically 105 130 PSI Do not attempt to stop the compressor by unplugging the power cord To stop simply move the lever...

Page 8: ...fe Do not alter the factory top RPM setting The engine idle speed is factory set and controlled by a black plastic Philips head screw on the carburetor A slight increase to the idle speed setting may...

Page 9: ...r Pay special attention to the intake filters Check intake filters daily 5 USE LONGER PROPERLY SIZED AIR HOSE RATHER THAN EXTENSION CORDS If an extension cord must be used please refer to the chart be...

Page 10: ...nce tripping of the motor overload due to an excessive amount of motor starts per hour CONSTANT SPEED OPERATION Constant speed or continuous running operation should be used during periods of heavy us...

Page 11: ...end using ROLAIR Premium Quality compressor oil MAINTENANCE SCHEDULE Recommendation Daily Weekly Monthly Quarterly Check Oil Level X Drain Moisture from Tank s X Inspect Air Filter s X Check for Unusu...

Page 12: ...unloading at felt muffler and cause gas engine to slow down to idle speed If pilot valve does not unload as tank pressure approaches 130 P S I G slowly turn top end setting 4 counterclockwise until pi...

Page 13: ...flywheel Tighten appropriate parts Loose belts Adjust belt tension Internal pump problem Take unit in for service Overheating compressor Poor ventilation Relocate compressor Improper pump rotation Co...

Page 14: ...ties of merchantability and fitness for purpose and of any other obligations and or liabilities on the part of Associate Engineering Corporation Associate Engineering Corporation neither assumes nor a...

Page 15: ......

Page 16: ...EL0250X012539 1 Brass Sleeve BRSL0250 2 38 Throttle Control Kit 192EGX160K1QX 1 Brass Ring BRRG0250 2 39 Gauge GA0250200GC 1 11 Pilot Unloader Valve 131B 1 42 Belt Tightener Mounting Kit SBT5HP ANGLE...

Page 17: ......

Page 18: ...H 2 Aftercooler 32901460CH 1 Crankcase 33101160CH 1 Sight Gauge 36500140CH 1 3 8 Breather Oil Fill Plug 36507050CH 1 Bolt 37300250CH 4 Bolt 37300990CH 6 Bolt 37301140CH 14 Bolt 37302530CH 2 Nut 374002...

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