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A
LW 300 EC III / LW 450 EC III
Version: 24.04.18-001 E
M A I N T E N A N C E A N D S E R V I C E
Replace piston rings and needle bearings of the 2nd and 3rd stage
Replace piston rings and needle bearings of 2nd and 3rd stage as follows:
• Remove in- & outlet pipework
• Remove valve head bolts
• Remove valve head
• Remove lower valve gasket (see "replace in- / outlet valves 2nd &
3rd stage)
• Check condition of valve head
• Remove flange nuts of compression cylinder
• Take off compression cylinder and o-ring
• Turn crankshaft until piston is on TDC position
• Remove piston rings
• Fit piston rings in accordance to drawing "piston 2nd / 3rd stage"
and lubricate by using compressor oil.
•
Remove cylinder flange bolts (only necessary small end bear-
ing needs to be replaced
•
Take-off guide cylinder
•
Remove O-ring
•
Clean sealing surfaces
•
Remove circlips and piston pin, take-off piston
•
Remove small end bearing by using L&W special tool
(Part number: 006663 / 005456
•
Fit new small end bearing by using special tool , lubricate brearing
•
Lubricate piston pin bore
•
Fit piston to conrod, secure piston pin by circlips
•
Lubricate and fit O-ring to guide cylinder
•
Refit guide cylinder
•
Tighten flange bolts crosswise
• Lubricate and fit O-ring to compression cylinder
• Lubricate piston skirt
• Compress piston rings by using L&W special tool and pipe wrench. Refit compression cylinder
Fig. 1 - take off compression cylinder
Fig. 2 - Piston 3rd Stage
Summary of Contents for LW 300 EC III
Page 3: ...A Operating Instructions Breathing Air Compressor LW 300 EC III LW 450 EC III Version 04 18 E ...
Page 12: ...A S A F E T Y P R E C A U T I O N S ...
Page 19: ...A I N S TA L L AT I O N ...
Page 26: ...A O P E R AT I O N ...
Page 34: ...A R E M E D Y I N G FA U LT S ...
Page 39: ...A M A I N T E N A N C E A N D S E R V I C E ...
Page 70: ...A M A I N T E N A N C E R E C O R D S ...
Page 78: ...B Operating Instructions ECC Electronic compressor control www uebler net Version 11 12 E ...
Page 98: ...C ERSATZTEILLISTEN SPARE PARTS LISTS DETAILANSICHTEN DETAILED VIEWS ...
Page 146: ...D O P T I O N S ...
Page 148: ...D A U T O S H U T D O W N D 1 LW 300 450 E Compact III ...
Page 153: ...D A U T O M A T I C C O N D E N S AT I O N D R A I N D 6 LW 300 450 E Compact III ...
Page 186: ...D A U T O S T A R T F U N C T I O N D 39 LW 300 450 E Compact III ...
Page 192: ...D O I L P R E S S U R E G A U G E D 45 LW 300 450 E Compact III ...
Page 195: ...D O I L P R E S S U R E M O N I T O R I N G D 48 LW 300 450 E Compact III ...
Page 201: ...D O I L T E M P E R A T U R E M O N I T O R I N G D 54 LW 300 450 E Compact III ...
Page 207: ...D I N T E R S TA G E P R E S S U R E G A U G E S D 60 LW 300 450 E Compact III ...
Page 217: ...D A I R C O O L E R C O N N E C T I O N K I T D 70 LW 300 450 E Compact III ...
Page 220: ...D C O N D E N S A T E TA N K 6 0 LT R D 73 LW 300 450 E Compact III ...