Maintenance
WP
33L_
BA_K
1_1
2_en_
08.
fm
61
8.9 Checking the piston rings
1. Remove cylinder heads and valves as described in Chapter
8.8 “Checking valves”.
2. Remove cylinder base nuts and pull off the cylinder carefully.
Hold the piston while the cylinder comes off.
3. Remove circlips to release gudgeon pins, push out gudgeon
pin and take piston off.
4. Remove all piston rings from the respective pistons.
5. Insert the piston rings in the respective cylinder and measure
the gap clearance with a feeler gauge.
6. Replace all piston rings if the gap clearance of one ring ex-
ceeds the following limits.
7. Install piston rings to the respective piston. Make sure they
are in the correct position: piston rings having an asymmetric
cross section are marked on one of the surfaces with “TOP”.
The marked face must be at the top when the piston ring is
installed. See illustration.
Note!
If the piston is not held, when pulling the cylinder off, it will fall
against the crankcase.
1
st
stage
all piston rings
0.90 mm
2
nd
stage
Nose ring
0.55 mm
Plain ring
0.55 mm
Oil scraper ring
0.40 mm
Note!
Always replace all pistons rings of a piston when one of the pis-
ton rings exceeds the limit.
Содержание WP 33 L
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Страница 85: ...S a u e r C o m p r e s s o r Type WP 33 L Spare Parts List...
Страница 89: ...Spare Parts List WP33L_ET_en_08 fm E 5...
Страница 90: ...E 6 WP33L_ET_en_08 fm 060 465 Sauer Compressor WP33L 100 12 8 18 11 14 15 16 7 3 1 9 10 1st stage 2nd stage...
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Страница 100: ...E 16 WP33L_ET_en_08 fm 061 383 Dipstick 3 1...
Страница 102: ...E 18 WP33L_ET_en_08 fm 060 317 Crankshaft 4 5 2 6 3 7 5 4 1...
Страница 104: ...E 20 WP33L_ET_en_08 fm 060 280 Connecting rod 1st stage 1 4 7 5 6 50 Nm...
Страница 106: ...E 22 WP33L_ET_en_08 fm 060 283 Connecting rod 2nd stage 1 4 7 5 6 50 Nm...
Страница 108: ...E 24 WP33L_ET_en_08 fm 034 989 Piston 1st stage 7 3 4 5 6 2 1...
Страница 110: ...E 26 WP33L_ET_en_08 fm 060 319 Piston 2nd stage 7 3 4 5 1 6 2...
Страница 112: ...E 28 WP33L_ET_en_08 fm 068 628 Cylinder with head and valve 1st stage 3 2 4 5 1...
Страница 114: ...E 30 WP33L_ET_en_08 fm 068 615 Cylinder with head and valve 2nd stage 2 3 4 1...
Страница 116: ...E 32 WP33L_ET_en_08 fm 060 322 Cooler and air piping 13 15 14 12 8 16 5 1 2 10 9 16 3 14 11 4 8 16...
Страница 118: ...E 34 WP33L_ET_en_08 fm 060 328 Crankcase vent 3 1 2 5 6 060 328 1st stage...
Страница 120: ...E 36 WP33L_ET_en_08 fm 030 915 Safety valve 1st stage 1 3...
Страница 122: ...E 38 WP33L_ET_en_08 fm 030 752 Safety valve 2nd stage 1 3...
Страница 124: ...E 40 WP33L_ET_en_08 fm 060 440 Air pressure piping 7 8 4 6 2 4 6 9 1 5 10...
Страница 126: ...E 42 WP33L_ET_en_08 fm 060 312 Separator 2 7 8 1 4 6 3 8...
Страница 128: ...E 44 WP33L_ET_en_08 fm 035 010 Pressure gauge 1 2...
Страница 130: ...E 46 WP33L_ET_en_08 fm 060 354 Automatic drainage system 3 1 4 5...
Страница 132: ...E 48 WP33L_ET_en_08 fm 060 589 Resilient mounts 3 5 1 4 2 6 4 2 6...
Страница 134: ...E 50 WP33L_ET_en_08 fm 065 568 Resilient mounts 3 5 1 4 2 6 4 2 6...
Страница 136: ...E 52 WP33L_ET_en_08 fm 061 001 Hose line 1 2...
Страница 138: ...E 54 WP33L_ET_en_08 fm Flexible coupling 1 2 3 Compressor Motor...
Страница 140: ...E 56 WP33L_ET_en_08 fm Flexible coupling 1 2 3 Compressor Motor...
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