Volvo Penta TAD720GE User Manual

Technical data: TD/TAD420VE, TAD620VE, TAD650VE, TAD660VE
33
Group 20
Tightening torque
General tightening torques Nm (lbf.ft)
M6 standard screw 8.8 ........................................... 10
±1.5
(7.5
±1
lbf.ft)
M8 standard screw 8.8 ........................................... 25
±4
(18
±3
lbf.ft)
M10 standard screw 8.8 ......................................... 50
±8
(37
±6
lbf.ft)
M12 standard screw 8.8 ......................................... 80
±9
(59
±6.5
lbf.ft)
M14 standard screw 8.8 ......................................... 140
±25
(103
±18
lbf.ft)
Tightening torques Nm (lbf.ft)
Group 21 Engine
Engine mounting .................................................... 260 (192lbf.ft)
Starter motor .......................................................... 70 (51.6 lbf.ft)
Timing gear casing ................................................. 21
±2
(15.5
±1.5
lbf.ft)
Main bearing caps
Screws to main bearing caps are reusable only three times.
Step 1 .................................................................... 50 (37 lbf.ft)
Step 2 .................................................................... 90° angle tightening
Step 3 .................................................................... 90° angle tightening
Connecting rod big-end bearing
Use new screws every time.
Step 1 .................................................................... 30 (22 lbf.ft)
Step 2 .................................................................... 60° angle tightening
Step 3 .................................................................... 30° angle tightening
Flywheel
A) Flywheel with screws of max 30 mm length
Step 1: ................................................................... 20 – 30 (15 – 22 lbf.ft)
Step 2: ................................................................... 60° angle tightening
Step 3: ................................................................... 30° angle tightening
B) Flywheel with screws up to 45 mm length
Step 1: ................................................................... 20 – 30 (15 – 22 lbf.ft)
Step 2: ................................................................... 60° angle tightening
Step 3: ................................................................... 60° angle tightening
C) Flywheel with a screw length between 50 – 85 mm
Step 1: ................................................................... 30 – 40 (22 – 30 lbf.ft)
Step 2: ................................................................... 60° angle tightening
Step 3: ................................................................... 60° angle tightening
Flywheel housing, M12........................................... 99
±1
(73
±7
lbf.ft)
Flywheel housing, M16........................................... 243
±25
(179
±18
lbf.ft)
V-belt pulley
Screws to V-belt pulley are reusable only three times.
Step 1: ................................................................... 40 – 50 (30 – 37 lbf.ft)
Step 2: ................................................................... 60° angle tightening
Step 3: ................................................................... 60° angle tightening
Vibration damper .................................................... 70 (51.6 lbf.ft)
Screw, rocker cover ............................................... 9
±1
(6.5
±0.7
lbf.ft)
Lock nut, valve clearance adjusting screw ............. 20
±2
(14.5
±1.5
lbf.ft)
Screws, rocker arm fixing ...................................... 21 (15.5 lbf.ft)
Screws, crankcase ventilation ................................ 9
±1
(6.6
±0.7
lbf.ft)

Volvo Penta TAD720GE Specifications

General

Brand	Volvo Penta
Model	TAD720GE
Category	Engine
Language	English