81TD410023-B RLF
SPECIFICATIONS
TIGHTENING TORQUES UND ASSEMBLY INSTRUCTIONS
Component Tightening torques Assembly instructions
Spark plugs 22 Nm +10 Nm [16.2 lbf ft +7.4 lbf ft]
Coolant sensor 18 Nm +7 Nm [13.3 lbf ft +5.2 lbf ft] – Use thread sealant.
Oil pressure
switch
9 Nm +2 Nm [6.7 lbf ft +1.5 lbf ft] – Use thread sealant.
M10x1 con rod
bolts
First stage: 10 Nm [7.4 lbf ft]
Second stage: 20 Nm [14.8 lbf ft]
Third stage: +115°
– Replace the con rod bolts.
– Coat the nuts and screw head seat lightly with
engine oil.
Generator cover
vent plug
9 Nm +2 Nm [6.7 lbf ft +1.5 lbf ft]
Chain tensioner 40 Nm +5 Nm [29.5 lbf ft +3.7 lbf ft] – Replace the chain tensioner or use thread
sealant.
Oil nozzle 20 Nm +2 Nm [14.8 lbf ft +1.5 lbf ft]
M10x1.25 tie rods 18 Nm +2 Nm [13.3 lbf ft +1.5 lbf ft] – Use Anti-Seize assembly paste.
– Remove excessive assembly paste after
installation.
M8 stud cylinder
head
16 Nm +4 Nm [11.8 lbf ft +3 lbf ft] – Use Anti-Seize assembly paste.
M6 Nut impeller 6 Nm +2 Nm [4.4 lbf ft +1.5 lbf ft] – Use medium strength thread locker.
Oil filter 10 Nm [7.4 lbf ft] – Replace the oil filter.
– Clean the sealing surface on the crankcase.
– Coat the oil filter seal lightly with engine oil.
– Screw in the oil filter by hand.
Threaded sleeve
for oil filter
17 Nm +3 Nm [12.5 lbf ft +2.2 lbf ft]
Engine damage caused by improper repairs.
All specifications for tightening torques and assembly instructions refer
only to parts that are offered in the spare parts catalog.
► Only remove components that are offered separately in the spare
parts catalog.
► If a component is not offered individually, replace the component by a
next higher level assembly.
Observe the following references:
– Unless otherwise specified, threads are clean, dry and free from engine oil.
– For components with coated threads, the tightening torques always refer to new components.
– Information on the supplies for example thread sealant can be found in chapter Supplies. (See
chapter Before you begin working.)
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