Nozzle Shaft Total Disassembling, Cleaning And Assembling; Purpose; Required Items For The Work - Yamaha SIGMA-G5SII Service Information

4.11.2. Nozzle Shaft Total Disassembling, Cleaning and Assembling

4.11.2.1. Purpose

The purpose of this operation is to prevent or improve on Up/Down movement error or
pick-up error due to dirt on the nozzle shaft section in the head unit in the routine automatic
operation.

4.11.2.2. Required Items for the Work

(1) Tools and Jigs
 Hexagon Wrench Straight Type (TONE or BONDUS is recommendable).
 Torque Driver (including bit for M1. 6L2 hexagon bolt) where 7.5 cNm can be set.
 Head Unit Setup Supporting Tool (Nozzle Shaft Jump-Out Holding Bottom Cover)
 General Phillips Type Screwdriver
 Linear Measure Sensor Protection Tube (or Protection Wrap)
 Reference Tool: Bamboo Skewer (Used for greasing up the retainer section)
 Ultrasonic Cleaner (For cleaning the nozzle shaft)
 Nozzle Shaft Cleaning Supporting Tool
 Lubricating Tool: SS-10LZ (Standard Accessory) and Lubrication Nozzle: Type No.
19
(2) Others
 Grease (Daphne Eponex No. 1)
 Screw Lock (1401B): Applied slightly to the fixed screws on the top block, etc.
 Top Block Set Screw: Prepared the required number of set screws for replacement (M1.
6L3)
 Diffuser Plate (Large, Small), Linear Measure Sensor, Lower Rotor Set Screw:
Prepared the required number of set screws for replacement (M1. 6L4)
 V-Packing: Used in the Nozzle Holder Unit and Nozzle Shaft Outer Casing Section (15 pcs
each)
 Cleaning Rag and Rags for spreading on the working floor
 Nozzle Shaft Cleaning Water
Service Information

Nozzle Holder Attachment/Detachment Supporting Tool
SI1705004E-00=SIGMA-G5SII Service Manual
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