Torque Specifications - Westerbeke 12C-TWO Operator's Manual

Marine diesel engines
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TORQUE SPECIFICATIONS . .
COMPONENT
FHB(M-KG)
Alternator Bracket .......................... 27 - 38 (3.8 - 5.3)
Back Plate ...................................... 24 - 35 (3.3 - 4.8)
Connecting Rod Cap M8 (14) ...... 23- 28.2 (3.2- 3.5)
Cooiant Pump ................................ 12- 17 (1.6 - 2.4)
Coolant Pump Pulley .•.................... 12 -17 (1.6- 2.4)
Coolant Temperature Sender ........ 9 - 13 (1.2 - 1.8)
Coolant Temperature Switch .......... 9 - 13 (1.2 - 1.8)
Crankshaft Pulley Nut, M16 (24) .. 72 - 86 (1 0 - 12)
*Cylinder Head Bolts (wet)
M8 (12) Bolts 1, 2, 3 ................ 14 -21 (2.0- 3.0)
M1 0 (14) Bolts 4- 11 .............. 54 - 61 (7.8- 8.5)
Cylinder Head Cover ...................... 2 - 3 (0.3 - 0.45)
Engine Mounts .............................. 23 - 34 (3.2 - 4. 7)
Exhaust Manifold ............................ 20- 24 (2.7- 3.3)
Fuel Solenoid Locknut
M30 (36) .................................... 28.9- 36.2 (4.0- 5.0)
Flywheel bolt M1 0 (17) .................. 61 - 68 (8.5 - 9.5)
Glow Plug, M1 0 (12) ...................... 11 - 14.5 (1.5 - 2.0)
Glow Plug Lead Wire Frtting Nut,
.
M4 (7) ........................................ 0.7 -1.0 (0.1 - 0.15)
Governor Assembly
Relief Plunger Assembly ......... 28.9- 36.2 (4.0 - 5.0)
Taper Plug ................................... 11 - 23 (1.5 - 2.2)
Idler Gear Thrust Plate .................. 15 - 23 (2.2 - 3.2)
Injection Nozzle to Body ................ 25.3- 36.2 (3.5- 4.0)
Injection Pipe Flare Nut .................. 18 - 22 (2.5 - 3.0)
Injection Pipe Nut, M12 (17) ........ 18 - 25 (2.5 - 3.5)
Injection Pump Delivery Valve Holder
M16 (17) .................................... 25.3 - 28.2 (3.5 - 3.9)
Injection Pump Drive Gear
Lock Nut ........................................ 29- 51 (4.0- 7.0)
NOTE: Hardware listed is metric, with values given as follows:
Flywheel Bolt, M1 0 (17)
M1 0
indicates Metric,
1 Omm
thread diameter;
(17)
indicates 17mm across the flats ofthe bolt head.
*(wet)
indicates that the bolts
(if
removed) are to have a thin
oil film wiped on them before they are retorqued.lfthe bolts
have not been removed and need only to be retorqued, then
no oil is needed.
COMPONENT
FT-LB (M-KG)
Injection Pump Hollow Screw
M10 (14) ................................... .7.2- 10.8 (1.0- 1.5)
Injectors .......................................... 36 - 38 (5.0 - 6.0)
Intake Manifold .............................. 12 -17 (1.6- 2.4)
Main Bearing Cap .......................... 36 - 38 (5.0 - 5.5)
Nozzle Holder (fitting to engine),
M20 (21) .................................... 36.1 - 43.3 (5.0 - 6.0)
Nozzle Retaining Nut,
M16 (21) .................................... 25.3 - 28.9 (3.5 - 4.0)
Nozzle Union Color Fixing Nut,
M12 (17) .................................... 18.0- 21.6 (2.5 -3.0)
Oil Drain Hose Plug M18 (19) ...... 36.1 - 43.3 (5.0 - 6.0)
Oil Filter
M20 (17) ................................... .7.9- 9.4 (1.1- 1.3)
Oil Pan Bolts ........•......................... 12 - 17 (1.6 - 2.3)
Oil Pressure Sender ...................... 9- 13 (1.2 -1.8)
Oil Pressure Switch ........................ 9 - 13 (1.2 - 1.8)
Oil Relief Plug ................................ 28.9- 36.1 (4.0- 5.0)
Rear Oil Seal Cap ............................ 11 - 14 (1.5 - 2.0)
Rocker Arm Assembly .................. 11 - 15 (1.5 - 2.2)
Rocker Arm Cover .......................... 1.8- 2.9 (0.25- 0.40)
Rocker Cover Nut, M6 (1 0) .......... 3.6 - 5.0 (0.5 - 0. 7)
Rocker Shaft Hold-down Bolt,
M8 (12) ...................................... 10.8 -15.9 (1.5- 2.2)
Thermostat Housing ...................... 6 - 8 (0.8 - 1.1)
Timing Gear Case .......................
~
.. 12- 17 (1.6 - 2.4)
Torque Spring Set Locknut ............ 6 - 9 (0.8 - 1.2)
Water Temperature Gauge Joint
M16 (17) .................................... 14.4- 21.6 (4.0- 5.0)
23

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120d-two

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