Volvo Penta D1-13 - Page 17

Piston rings
Compression rings, quantity 2
Oil rings, quantity 1
Upper compression ring
Clearance between piston ring groove and ring, all
engines 0.06–0.10 mm (0.0024–0.0039")
Service limit, all engines 0.25 mm (0.010")
Piston ring gap:
D1-13-A/B/F, D1-20-A/B/F 0.13–0.25 mm (0.0051–0.0098")
D1-30-A/B/F, D2-40-A/B/F 0.15–0.27 mm (0.0059–0.0106")
Service limit, all engines 1.0 mm (0.39")
Second compression ring
Clearance between piston ring groove and ring, all
engines 0.05–0.09 mm (0.0020–0.0035")
Service limit, all engines 0.25 mm (0.010")
Piston ring gap:
D1-13-A/B/F, D1-20-A/B/F 0.10–0.22 mm (0.0039–0.0087")
D1-30-A/B/F, D2-40-A/B/F 0.12–0.24 mm (0.0047–0.0094")
Service limit, all engines 1.0 mm (0.39")
Oil ring
Clearance between piston ring groove and ring, all
engines 0.02–0.06 mm (0.0008–0.0024")
Service limit, all engines 0.15 mm (0.0059")
Piston ring gap:
D1-13-A/B/F, D1-20-A/B/F 0.10–0.30 mm (0.0039–0.0118")
D1-30-A/B/F, D2-40-A/B/F 0.20–0.35 mm (0.0079–0.0138")
Service limit, all engines 1.0 mm (0.39")
Piston pins
Diameter:
D1-13-A/B/F, D1-20-A/B/F 18.998–19.002 mm (0.7480–0.7481")
Service limit 18.98 mm (0.7472")
D1-30-A/B/F, D2-40-A/B/F 20.996–21.002 mm (0.8266–0.8269")
Service limit 20.98 mm (0.826")
Clearance between hole and pin, all engines –0.004 to +0.004 mm (–0.00016 to +0.00016")
Service limit 0.02 mm (0.0008")
Cylinder block
Bore diameter in cylinder block:
D1-13-A/B/F, D1-20-A/B/F 67.000–67.019 mm (2.6378–2.6385")
Service limit 67.200 mm (2.6457")
D1-30-A/B/F, D2-40-A/B/F 77.000–77.019 mm (3.0310–3.0320")
Service limit 77.200 mm (3.0390")
03-2 Specifications, Engine
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