Instruction Manual

22
Caterpillar: Non-Confidential
pipes may break suddenly,. In such cases the
anti-fire blanket should be used to cover up.
 Wear a protective coat while carrying
things before and after welding.
 Keep the welding ventilated.
 Clean up all flammable materials, and a
fire extinguisher should be available.
Storage Battery Maintenance
While fixing electricity system or carrying on
electric welding, discharge storage battery
negative pole (-) or close the power supply
totally, in order to prevent of electric current
flow.
Finding the Problem
 When finding a problem, it should be
repaired immediately. Especially if it is in the
braking system, steering system or other
working equipment that will cause serious
trouble.
 Please contact the Caterpillar (Qingzhou)
Ltd. appointed dealer according to the failure
type.
Rules for Adding Fuel or Lubricant Oil
Fuel, lubricant, hydraulic oil, antifreeze, brake
fluid and window cleaner can all be caught by
open flame. Abide by the following rules:
 Turn off the engine when adding fuel or
lubricant.
 No smoking.
 Any of the fuel, lubricant, hydraulic oil,
antifreeze, brake fluid and window cleaner that
has overflowed should be wiped immediately.
 Tightly screw the cover of all the fuel,
lubricant, hydraulic oil, antifreeze, brake fluid
and window cleaner containers.
 The place where fuel, lubricant, hydraulic
oil, antifreeze, brake fluid and window cleaner
is added should be kept well ventilated.
High-Pressure Hose
 A high-pressure hose leakage may hinder
operation, cause personnel injury, or damage
equipment. Stop working and contact your
appointed Caterpillar (Qingzhou) Ltd. dealer.
 When replacing the high-pressure hose,
the operator should be aware of the height.
The instillation torque, should be according the
type and size of hose, so do not repair by
yourself, contact your appointed Caterpillar
(Qingzhou) Ltd. dealer.
Notes for High-Pressure Oil
When repairing or replacing, pipes in hydraulic
systems, inspect system pressure (whether it
has been released or not). If there is still
pressure in pipes, it will cause serious injury or
damage, so should follow the rules:
 Relevant detail about releasing pressure,
see Hydraulic System Maintenance included in
the Maintenance section of this manual. Do not
continue work, check or replace before the
pressure releases completely.
 Put on safety glasses and gloves.
 If the pipe leaks oil, the pipe and its
surroundings will be wet, so check whether or
not the steel pipe or hose has cracks or
whether or not it has swelled up. If it is difficult
to identify the location of leakage, please
contact your appointed Caterpillar (Qingzhou)
Ltd. dealer.
 Always wear safety glasses and thick
gloves, and use a piece of cardboard or a
sheet of wood to check for oil leakage.
 If shot by the high pressure oil spout, see a
doctor immediately.
Check Under High Pressure
 When the engine stops, the cooling water
and oil for each part of the machine will be
warm and highly pressurized. Opening the
cover, removing the oil and water, or replace a
filter, at this time all will cause burning or other
harm. Wait for temperature to descend, and
then operate according to operation
maintenance manual.
 For other check items see Periodic
Maintenance in the “Maintenance section of
this manual for related contents.
Waste
To prevent pollution, obey the following
procedure especially with environment where
people and animal living.
 Do not release oil to
the sewer or river etc.
 Put the waste oil in a
container, do not pour