Toro Workman 3000 Series Service Manual page 48

Tightening Torques
The Mitsubishi 3G83 engine has many bolts and caps-
crews of special materials and sizes. It is very important
that special care be used to replace all bolts and caps-
crews in their proper location during assembly of the en-
Item
Engine
Timing belt
Crankshaft bolt
Crankshaft pulley bolt
Timing belt cover bolt
Camshaft sprocket bolt
Oil pump sprocket nut
Timing belt tensioner nut
Timing belt rear cover bolt
Rocker arm, rocker shaft and camshaft
Rocker cover bolt
Rocker shaft bolt
Camshaft thrust plate bolt
Rocker arm adjusting nut
Cylinder head and valves
Cylinder head bolt
Front case, counterbalance shaft and oil pan
Front case bolt
Oil pump cover bolt
Oil pan bolt
Oil drain plug
Oil screen bolt
Oil pump driven gear bolt
Rear cover bolt
Piston and connecting rod
Connecting rod cap nut
Crankshaft and flywheel
Flywheel bolt
Rear plate bolt
Bell housing cover bolt
Oil seal case bolt
Bearing cap bolt
Cylinder block
Taper plug 1/16
Taper plug 1/8
Water drain plug
Taper plug PT–1/4
Fuel system
Carburetor assembly
Lubrication system
Oil screen
Oil filter
Oil filter bracket (cylinder block side)
Oil filter bracket (bracket A side)
Oil pressure switch
Oil pump cover
Oil pump driven gear bolt
Liquid Cooled Gas Engine
gine. The torque specifications in American Standard
and Metric as listed below MUST be followed in order to
have the assembled engine conform to the original
specifications.
Nm
135 – 145
15 – 18
10 – 12
80 – 100
50 – 57
22 – 30
10 – 12
5 – 7
29 – 35
10 – 12
8 – 10
60 – 70
8 – 10
8 – 10
10 – 12
35 – 45
15 – 22
34 – 40
10 – 12
20 – 23
70 – 80
8 – 12
8 – 12
10 – 12
50 – 55
8 – 12
15 – 22
35 – 45
35 – 45
15 – 20
15 – 22
12 – 16
19 – 28
9 – 14
15 – 22
8 – 10
34 – 40
Page 3 – 10
(ft–lb)
(98 – 105)
(11 – 13)
(7 – 9)
(58 – 72)
(36 – 41)
(16 – 22)
(7 – 9)
(4 – 5)
(21 – 25)
(7 – 9)
(6 – 7)
(43 – 51)
(6 – 7)
(6 – 7)
(7 – 9)
(25 – 33)
(11 – 16)
(25 – 29)
(7 – 9)
(14 – 17)
(51 – 58)
(6 – 9)
(6 – 9)
(7 – 9)
(36 – 40)
(6 – 9)
(11 – 16)
(25 – 33)
(25 – 33)
(11 – 14)
(11 – 15)
(9 – 12)
(14 – 20)
(7 – 10)
(11 – 16)
(6 – 7)
(24 – 29)
Workman 3000/4000 Series