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1.1 GENERAL PRECAUTIONS FOR REPAIRS
1.1.1 PREPARATION BEFORE DISASSEMBLING
(1) Understanding operating procedure
Read OPERATOR'S MANUAL carefully to understand the operating procedure.
(2) Cleaning machines
Remove soil, mud, and dust from the machine before carrying it into the service shop to prevent loss
of work efficiency, damage of parts, and difficulty in rust prevention and dust p rote ction while
reassembling.
(3) Inspecting machines
Identify the parts to be disassembled before starting work, determ ine the disassembling procedure by
yourself considering the workshop situations etc., and request procurement of necessary parts in
advance.
(4) Recording
Record the following items for communication and prevention of recurring malfunction.
1. Inspection date and place.
2. Model name, applicable machine number, and hour meter read.
3. Trouble condition, place and cause.
4. Visible oil leakage, water leakage and damage.
5. Clogging of filters, oil level, oil quality, oil contamination an d loosening of connections.
6. Result of consideration if any problem exists based on the operation rate per month calculated
from hour meter indication after the last inspection date.
(5) Arrangement and cleaning in service shop
1. Tools required for repair work.
2. Prepare space to place the disassembled parts.
3. Prepare oil containers for draining oil etc.
1.1.2 SAFETY IN DISASSEMBLING AND ASSEMBLING
(1) Wear appropriate clothes with long sleeves, safety shoes, safety helmet and protective glasses.
(2) Suspend warning tag "DO NOT OPERATE" from the doorknob or the operating lever, and have a
preliminary meeting before starting work.
(3) Stop the engine before starting inspection and maintenance to prevent the operator being caught
in machine.
(4) Identify the location of a first-aid kit and a fire extinguisher, and also whe re to make contact in a
state of emergency.
(5) Choose a hard, level and safe place, and place the attachment on the ground secure ly.
(6) Use a lifter such as a crane to remove heavy parts (20 kg [45 lbs] or more) from the machine.
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1. OUTLINE
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