Sperre HV1/140A, Service Manual

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Sperre Air Compressor
Two stage, water cooled
Model: HV1/140A
T3 Torque table
Torque Component Thread diameter
(mm)
Spanner size
(mm)
kpm (kgm) Nm
Cylinder head M20 30 20 195
Valve cover LP M16 24 15 145
Valve clamping
screw HP M20 10 12 115
Cap lock nut HP M20 32 10 98
Big end bearing bolts 1/4 22 9-11 88 - 108
Bearing housing,
crankcase M10 17 4 40
Cylinder block to
crankcase
M22 32 25 245
Hand hole M12 19 8 78
Crankcase covers M10 17 4 40
Valve covers HP M12 19 8 78
Valve clamping
screw LP M12 6 8 78
Cap lock nut LP M12 19 8 78
Valve bolt M8 13 1- 1.2 10-11.5
T4 Clearances
Suction valve, LP, Lifting height (mm) 1.2
Delivery valve, LP, Lifting height (mm) 1.2
Suction valve, HP, Lifting height (mm) 1.1
Delivery valve,HP, Lifting height (mm) 1.1
Cylinder/piston, LP, clearance (mm) 0.25
Cylinder/piston, HP, clearance (mm) 0.20
Piston/cylinder head, LP, clearance (mm) 1.4-1.8
Crankshaft (big end) bearing play (mm) 0.08-0.11
Gudgeon pin bearing play (mm) 0.02-0.05
End clearance
Piston Rings Part no. Quantity
Min. Max.
Support ring (composite material) – LP 3483 1 3.9 4.45
Compression ring (composite material) – LP 3498 1 5.4 6.2
Dubbal ring (composite material) – LP 3497 2 5.4 6.2
Compression ring (metal) – HP 3513 3 0.45 0.65
Oil drain ring (metal) – HP 3539 1 0.45 0.65
Support ring (composite material) – HP 3499 1 3.5 4.0
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