Related Manuals for Volvo Penta TAD940GE
Summary of Contents for Volvo Penta TAD940GE
- Page 1 Workshop Manual Group 20 Technical Data 1(0) TAD940GE, TAD941GE TAD940VE, TAD941VE, TAD942VE, TAD943VE TAD950VE, TAD951VE, TAD952VE...
-
Page 3: Table Of Contents
Technical data Industrial Engines TAD940GE, TAD941GE TAD940VE, TAD941VE, TAD942VE, TAD943VE TAD950VE, TAD951VE, TAD952VE Contents Safety information ..........2 General information ..........5 Technical data ............6 General ............... 6 Engine ..............8 Valve mechanism ..........10 Timing gear ............14 Reciprocating components ........ -
Page 4: Safety Information
Safety information This workshop manual contains technical data, de- Read the available safety information, ”General in- scriptions and repair instructions for the Volvo Penta formation” and ”Repair instructions” in the work- products or product versions noted in the table of con- shop manual before you start to do any service tents. - Page 5 Group 20 General instructions Stop the engine before carrying out operations All fuels, and many chemicals, are flammable. on the engine cooling system. Do not allow naked flame or sparks in the vicini- ty. Certain thinners and hydrogen from batteries can be extremely flammable and explosive when mixed with air in the right proportions.
- Page 6 Turn the engine off and turn off the power at the WARNING! Components in the electrical and main switch(es) before carrying out work on the fuel systems on Volvo Penta products have electrical system. been designed to minimize the risks of explo- sion and fire.
-
Page 7: General Information
Volvo Penta as a manufacturer to be responsible for instructions for the TAD940GE, TAD941GE, ensuring that engines in use comply with the stipulat-... -
Page 8: Technical Data
Group 20 Technical data General Type designation TAD940GE TAD941GE Power, Prime/Stand-by See Sales Guide Generating Set Engines Torque, Prime/Stand-by See Sales Guide Generating Set Engines Compression ratio 20,2:1 17,4:1 Low idle (rpm) 600-1200 600-1200 High idle (rpm) 1500-1620/1800-1920 1500-1620/1800-1920 No. of valves No. - Page 9 Group 20 Technical data Type designation TAD950VE TAD951VE TAD952VE Power Please refer to the sales literature Torque Please refer to the sales literature Compression ratio 20.2:1 20.2:1 20.2:1 Low idle (rpm) High idle (rpm) 2250 2250 2250 No. of valves No.
-
Page 10: Engine
Piston Type ..............aluminium Height above engine block plane ......0.15 -0.65 mm (0.0059 - 0.0256") Diameter, combustion chamber TAD940GE, TAD940-943VE ....... 77 mm (3.032") TAD941GE ............78,5 mm (3.090") TAD950-52VE ............. 77,1 mm (3.035") Depth, piston bowl TAD940GE, TAD940-943VE ....... 15 mm (0.590") TAD941GE ............ -
Page 11: Piston Rings
Group 20 Technical data Piston rings Compression rings Specification: Quantity ..............2 Piston ring clearance in groove upper compression ring ........0.12 -0.19 mm (0.0047 - 0.0075") lower compression ring ........0.09 -0.13 mm (0.0035 - 0.0051") Piston ring gap, measured at ring opening: upper compression ring ........ -
Page 12: Valve Mechanism
Technical data Group 20 Valve mechanism Valves Valve head, diameter: Inlet ..............38 mm (1.49606") Exhaust TAD940-941GE, TAD940-943VE ...... 38 mm (1.49606") TAD950-952VE ..........36 mm (1.41732") Valve stem, diameter: Inlet ..............8 mm (0.31496") Exhaust .............. 8 mm (0.31496") Valve seat angle (A): Inlet .............. - Page 13 Group 20 Technical data Valve seats Outer diameter (A) Standard: Inlet ..............TAD940-941GE, TAD940-943VE ...... 40.0 mm (1.5748") TAD950-952VE ..........42,0 mm (1.6535") Exhaust TAD940-941GE, TAD940-943VE ...... 41.0 mm (1.61417") TAD950-952VE ..........40,0 mm (1.5748") Oversize dimension: Inlet TAD940-941GE, TAD940-943VE ...... 40.3 mm (1.586611") TAD950-952VE ..........
- Page 14 Technical data Group 20 Valve seat bed Diameter (C) standard: Inlet TAD940-941GE, TAD940-943VE ...... 40.0 mm (1.5748") TAD950-952VE ..........42,0 mm (1.6535") Exhaust TAD940-941GE, TAD940-943VE ...... 41.0 mm (1.61417") TAD950-952VE ..........40,0 mm (1.5748") Diameter (C) oversize dimension: Inlet TAD940-941GE, TAD940-943VE ...... 40.2 mm (1.582674") TAD950-952VE ..........
-
Page 15: Valve Guides
Group 20 Technical data Valve guides Length: Inlet ..............83.4 mm (3.283458") Exhaust .............. 83.4 mm (3.283458") Inner diameter: Inlet ..............8 mm (0.31496") Exhaust .............. 8 mm (0.31496") Height above cylinder head spring plane: Inlet ..............24.5±0.5 mm (0.964564 ± 0.019685") Exhaust .............. -
Page 16: Timing Gear
Technical data Group 20... - Page 17 Group 20 Technical data Camshaft Check camshaft setting, cold engine and valve clearance =0. Inlet valve for cylinder 1 at flywheel position 6 ATDC must be open 1.3±0.3 mm (0.05118±0.0118"). During the check, you must turn the timing gear in the correct direction (clockwise seen from the front), to take up all gear flank clearance.
-
Page 18: Reciprocating Components
Technical data Group 20 Reciprocating components Crankshaft Length ..............1.066 mm (0.041968") ..........0.10–0.40 mm (0.0039–0.0157") Crankshaft, end float Ovality of main and big end bearings ..... max 0.01 mm (0.000393") Taper of main and big end bearings ....... max 0.02 Runout on center bearing ........ - Page 19 Group 20 Technical data Thrust washers (thrust bearing) Width (B) standard ..........3.2 mm (0.125984") Oversize dimension: 0.1 mm ............... 3.2 -3.3 mm (0.125984 - 0.129921") 0.2 mm ............... 3.3 -3.4 mm (0.129921 - 0.133858") 0.3 mm ............... 3.4 -3.5 mm (0.133858 - 0.137795") Main bearing shells Outer diameter (C) ..........
- Page 20 Technical data Group 20 Big end journal shells Outer diameter (B) ..........93 mm (3.66141") Thickness (C) standard .......... 2.4 mm (0.094488") Oversize dimension: 0.25 mm ............. 2.5 -2.6 mm (0.098425 - 0.102362") 0.50 mm ............. 2.6 -2.7 mm (0.102362 - 0.106299") 0.75 mm .............
-
Page 21: Lubrication And Oil Systems
Group 20 Technical data Lubrication oil systems TAD940-941GE, TAD940-943VE Sulfur content in fuel, by weight < 0.5 % 0.5 – 1.0 % > 1.0 % Oil grade Oil change interval: Reached first in operation VDS-3 600 hours / 12 month 300 hours / 12 month 150 hours / 12 month VDS-2 and ACEA E7... -
Page 22: Oil Pressure
Technical data Group 20 Viscosity Select the viscosity from the adjacent table, for the appropriate continuous ambient air temperature. *Refers to synthetic or semi-synthetic oils. Oil change volume, including filters ......35 liter (9.2 US gallon) Oil pressure Operating speed (above 1100 rpm) ......300 -550 kPa (43.5-79.7 psi) Low idle .............. - Page 23 Group 20 Technical data Oil valves 1. Safety valve, lube oil pump Marking ............. Violet 2. Bypass valve, bypass filter Spring, free length ..........69 mm (2.71653") Loaded 13-15 Nm (9.6-11.0 lbf-ft) ...... 40 mm (1.5748") 3. Bypass valve, oil cooler Spring, free length ..........
-
Page 24: Fuel System
Technical data Group 20 Fuel system Feed pump Feed pressure at: 600 r/min ............. min 400 kPa (58.0 psi) 1200 r/min ............min 400 kPa (58.0 psi) full load ............... min 400 kPa (58.0 psi) By-pass valve Opening pressure ........... 400 -550 kPa (58.0-79.7 psi) Fuel quantity At low idle and with the engine unloaded, the fuel quantity should be inside area B. -
Page 25: Inlet And Exhaust System
Pressure drop indicator indication lamp lights up at a pressure drop of ......5 kPa (0.7 psi) Boost pressure 1500/1800 r/min. TAD940GE ............230 kPa (33.36 psi) TAD941GE ............250 kPa (36.26 psi) 2100 r/min TAD940VE ............. 145 kPa (21.03 psi) TAD941VE ............. -
Page 26: Cooling System
Technical data Group 20 Cooling system General Pressure cap opens at ........... 75 kPa (10.8 psi) Thermostat Quantity ..............1 Opening temperature ..........82°C (180°F) Fully open .............. 92°C (198°F) Coolant Type ..............Volvo Original Consists of ............Glycol and corrosion-inhibiting additives Color .............. -
Page 27: Engine Control System
Group 20 Technical data Engine control system Engine control unit No. of pins ............. 2 x 36 Sensor Charge pressure sensor Check value ............1.05-1.30 V at 100 kPa (14.5 psi) Charge air temperature sensor Coolant temperature sensor... - Page 28 Technical data Group 20 Inlet temperature sensor Engine oil temperature sensor Camshaft sensor Distance to camshaft ..........0.3 -1.0 mm (0.011811 - 0.03937") Flywheel sensor Distance to flywheel ..........0.7 -2.1 mm (0.027559 - 0.082677")
-
Page 29: Tightening Torque
Group 20 Technical data Tightening torque General tightening torque M6 standard screw 8.8 ........... 10 ±1.5 (±1.1 lbf-ft) M8 standard screw 8.8 ........... 25 ±4 (18.5±2.9 lbf-ft) M10 standard screw 8.8 ......... 50±8 (36.9±5.9 lbf-ft) M12 standard screw 8.8 ......... 85 ±15 (62.7±11.0 lbf-ft) M14 standard screw 8.8 ......... - Page 30 Technical data Group 20 Flywheel NOTE! Make sure that the flange is clean and dry. NOTE! Tighten the screws in number order, as in the illustration. Stage 1 ............... 60 ±5 Nm (44±4 lbf-ft) Stage 2 ............... 120° ±10° angle tightening Bell housing NOTE! Apply 2 mm silicone sealer as in the illustration.
- Page 31 Group 20 Technical data Vibration damper, camshaft Stage 1 ............... 45 ±5 Nm (33±4 lbf-ft) Stage 2 ............... 90° ±5° angle tightening NOTE! Tighten the screws in number order, as in the illustration. NOTE! The 8.8 screws on the vibration damper must not be re-used. Housing, crankcase seal ......
- Page 32 Technical data Group 20 Oil cooler, housing ........24 ±4 Nm (18±3 lbf-ft) NOTE! Tighten the screws in sequence, from the center and outwards. Cylinder head NOTE! Tighten the screws in number order, as in the illustration. Stage 1 ............... 60 ±10 Nm (44±7 lbf-ft) Stage 2 (check tightening) ........
- Page 33 Group 20 Technical data Bearing caps, camshaft / rocker arm shaft NOTE! Tighten the screws in stages, to ensure that the rocker arm shaft comes down without being bent. Stage 1: Torque screws 1-7 to ....... 15 ±3 Nm (11±2 lbf-ft) Stage 2: Torque screws 9, 11, 13.
- Page 34 Technical data Group 20 Tighten the screws in number order. Apply silicone sealer to the rear edge of the cylinder head and the engine block. Timing gear plate ......... 24 ±4 Nm (13±3 lbf-ft) NOTE! Apply silicone sealer and tighten the screws in number order, as in the illustration. Timing gear cover, upper ......
- Page 35 Group 20 Technical data Timing 1 Drive gear, crankshaft ............. 24 ±4 Nm (13±3 lbf-ft) 2 Idler wheel, double gear Apply thread locking fluid 1161053 to the screws and tighten them in number order, as in the illustration. Stage 1 ..................35 ±4 Nm (26±3 lbf-ft) Stage 2 ..................
- Page 36 Technical data Group 20 Tightening torque group 22: Lubricating system Oil sump ..............24 ±4 Nm (18±3 lbf-ft) NOTE! Tighten the screws in sequence, from the center and outwards. Drain plug, oil sump ..........60 ±5 Nm (44±4 lbf-ft) Bracket, oil pump/main bearing caps ..... 24 ±4 Nm (13±3 lbf-ft) Oil strainer, retaining screws ........
- Page 37 Group 20 Technical data Tightening tourqe group 25, Intake and exhaust system ............Inlet pipe 24 ±4 Nm (18±3 lbf-ft) NOTE! Apply 2mm silicone sealer as in the illustration. Plug, M10 .............. 20 ±3 Nm (15±3 lbf-ft) Pressure/temperature sensor, charge air ....12 ±2 Nm (9±2 lbf-ft) Exhaust collector pipe Stage 1: Tighten the screws until they just touch ......
-
Page 38: References To Service Bulletins
Group 20 Reference to Service bulletins Group Date Refers to ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ - Page 39 Notes ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
- Page 40 Notes ..............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
- Page 41 From: ..............................................................Refers to publication: ..........................Publication No.: ........Date of issue: ................Proposal/motivation: ............................................................................................................................................................................................................................................................................................Date: .................. Signed: ................AB Volvo Penta Technical Information Dept. 42200 SE-405 08 Göteborg Sweden...