Appendix Operation and Maintenance Manual
Standard tightening torques
Information
For every maintenance task, when a sequence is specified, achieve step 1 for all the sequence
before starting step 2.
Fig. 99: Standard sequence for 4, 5 and six screws.
Screws reuse
Information
Except components listed below, and otherwise noted,
u Reuse screws as many times as no visible damage appears (thread, coating).
u Replace screws with the same quality class as soon damage appears (thread, coating).
For screws on:
– Main bearing,
– Connecting rod,
– Counterweight,
– Cylinder head,
– Damper,
– Flywheel,
– Camshaft,
– Trunnion mount,
– Engine feets CS and CCS,
– Exhaust screws with copper coating,
u Replace screws and blanking plugs after each dismounting.
On fuel and HP injections pipes:
u Replace connections after first dismouting.
u Change connections after 3 tightenings.
For cutting rings:
u Replace connections after first dismouting.
u Change connections after 3 tightenings.
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© 2018 by Kohler Co. All rights reserved.
KD83V16 33521030601_0_1 EN_US
2018-07
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