Case CX17B, Service Manual

Page: 12 / 41

1. OUTLINE
1-3
1
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 protection while reassembling.
(3) Inspecting machines
Identify the parts to be disassembled before starting work, determine 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 and 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 where to make contact in a state of
emergency.
(5) Choose a hard, level and safe place, and place the attachment on the ground securely.
(6) Use a lifter such as a crane to remove heavy parts (20 kg [45 lbs] or more) from the machine.
(7) Use proper tools, and replace or repair defective tools.
(8) Support the machine and attachment with supports or blocks if the work is performed in the lifted condition.
Read Operator’s Manual
before disassembling
WARNING