Kohler KDW 1603 - Connecting Rod; Connecting Rod Weights; Connecting Rod And Piston Pin

64
62
59
63
6
60 61
A
B
C
KDW
1603-2204-2204/T
KDW
2204/T
D
E
KDW
1603-2204
D
E
- 50 - - 50 -
KDW 1603
KDW 2204
2204/T
Disassembly / Reassembly
Tighteningmustbecarriedoutasshowningure59.
Oncethenaltorque50Nmisreached,waitthirtyminutesbefore
manuallyrotatingtheenginetoverifythatthepistonsdonotcollide
withthevalves,iftheengineturnsfreelystarttheenginenormally,
otherwisewaitanother30minutesbeforerepeatingtheoperation.
At rst start-up the engine may run irregularly until all the air
containedinthetappetshasbeendrained.
Connecting rod
 Important
When remounting the big-end bearings, remember to
thoroughly clean the parts and generously lubricate them to
prevent seizure when the engine is started up for the rst
time.
Removeoilpanandoilpumpsuctionpipe.
Disconnect the connecting rod from the engine shaft and
performthesubsequentchecks.
When retting both centering notches A and B should be
locatedonthesameside.
 Tightentheconnectingrodbigendboltsto70Nm.
Connecting rod weights
Connecting rod, piston and piston pin can also be weighed in
a preassembled state but the difference in weigt should not
exceed14ginordertoavoidunbalance.
Connecting rod and piston pin
Theconnectingrodbigendshellbearingsaresuppliedineither
standard or with this value decreased by 0.25 and 0.50 mm
respectively.
Important
The fastening screws must be tightened by hand until the
beginning of the tightening stage and then pre-tightened to
10÷15 Nm.
 Finaltighteningisto70Nm.
Workshop Manual KDW 1603_2204_2204/T _ cod. ED0053029180 - 1° ed_rev. 00