Appendix D—Outline DimensionsModel D891 with 109B MountingOutline Dimensions—Inches (Centimeters)Model A B C D E F G HD891-109B 1-5/16 2 5-3/4 16 7 20 1-13/16 12-1/2(3.3) (5.1) (14.6) (40.6) (17.8) (50.8) (4.7) (31.8)Outline Dimensions—Inches (Centimeters)Model I J L N O P Q RD891-109B 77-9/16 66-3/16 6 39-1/8 27-1/8 39-13/16 8-7/8 4-1/8(197.1) (168.1) (15.2) (99.4) (68.9) (101.1) (22.5) (10.5)Outline Dimensions—Inches (Centimeters)Model S T U V W X Y ZD891-109B 1-1/4 7-3/8 18 28-3/8 24-3/4 65-1/2 68 14-1/2(3.2) (18.7) (45.7) (72.1) (62.8) (166.3) (172.7) (36.8)48
Appendix E—TroubleshootingIn most cases, problems with your Corken gas compressorcan be solved quite simply. This chart lists some of themore frequent problems that occur with reciprocatingcompressors along with a list of possible causes. If youare having a problem which is not listed, or if you cannotfind the source of the problem, consult the factory.ProblemPossible CauseLow capacity 1, 2, 3, 4, 16Overheating 1, 2, 3, 5, 6, 11, 15Knocks, rattles and noise 1, 7, 9, 10, 11, 14Oil in cylinder 8, 14Abnormal piston-ring wear 1, 3, 5, 6, 11, 14, 15Product leaking through crankcase breather 8, 14Product leakage 4, 8, 14, 16Oil leakage around compressor base 17, 18No oil pressure 19, 20Excessive vibration 1, 7, 9, 10, 11, 12, 13, 28Motor overheating or starter tripping out 21, 22, 23, 24, 25, 26, 27, 28Ref. Possible Causes What To Do1. Valves broken, stuck or leaking Inspect and clean or repair2. Piston ring worn Inspect and replace as necessary3. Inlet strainer clogged Clean or replace screen as necessary4. Leaks in piping Inspect and repair5. Inlet or ambient temperature too high Consult factory6. Compression ratio too high Check application and consult factory7. Loose flywheel or belt Tighten8. Worn piston-rod packing Replace9. Worn wrist pin or wrist-pin bushing Replace10. Worn connecting-rod bearing Replace11. Unbalanced load Inspect valve or consult factory12. Inadequate compressor base Strengthen, replace or grout13. Improper foundation or mounting Tighten mounting or rebuild foundation14. Loose valve, piston or packing Tighten or replace as necessary15. Dirty cooling fins Clean weekly16. 4-way control valve not lubricated Inspect and lubricate17. Leaking gas blowing oil from crankcase Tighten packing18. Bad oil seal Replace19. No oil in crankcase Add oil20. Oil-pump malfunction See oil-pressure adjustment21. Low voltage Check line voltage with motor nameplate. Consult power company22. Motor wired wrong Check wiring diagram23. Wire size too small for length or run Replace with correct size24. Wrong power characteristics Voltage, phase and frequency must coincide with motor nameplate.Consult with power company.25. Wrong size of heaters in starter Check and replace according to manufacturer’s instructions26. Compressor overloading Reduce speed27. Motor shorted out See driver installation28. Bad motor bearing Lubricate according to manufacturer’s instructions49