Yanmar — Vibration Isolating Installation - Flexible Pipe Installation
Installation · External piping flexible joints
From a Yanmar manual — check it applies to your exact model before use.
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Before you start
- Avoid excessive contraction, elongation, offset, bending or twisting.
Procedure
- Fit the pipes naturally to avoid initial stress such as elongation, offset or twisting.
- Do not contract the pipe for installation; cut surplus length if too long.
- Do not elongate the pipe forcibly; cut opponent piping to accurate length.
- Do not offset or bend the pipe.
- Do not twist the pipe.
- Install the pipe at a right angle to the direction of vibration.
- Install the pipe at a place with small pressure changes.
- Install the anchor as near as possible to the vibrating body.
- Do not use the pipe to support heavy things; install a hanger to support external forces.
- Cover flexible tubes for oil and flammable liquid with lagging material.
Specs & values
- Exhaust flexible tube: within 0 mm - +4.0 mm of axis length, less than 1.0 mm offset
- Lub. oil/cooling water/fuel oil/mist flexible tube: within -2.0 mm - +3.0 mm of axis length, less than 2.0 mm offset
Source: Yanmar manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.