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PC26MR-3
Komatsu Utility PC26MR-3 User Manual
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Operation & Maintenance
Manual
WEAM009500
Unsaf
e
use
of
this
machine
ma
y
cause
serious
injur
y
or
death.
Operators
and
maintenance
personnel
must
read
this
manual
before
operating
or
maintaining
this
machine.
This
man
ual
should
be
k
ept
inside
the
cab
f
or
ref
erence
and
periodically re
viewed
b
y
all
personnel
who
will
come
into
contact
with
the
machine.
WARNING
PC26MR
-3
HYDRAULIC EXCA
V
A
TOR
SERIAL NUMBER
PC26MR
-3
F00003
and
up
2
Table of Contents
Foreword 1.1 Foreword
3
Information on Safety
4
Introduction
6
Intended Use of the Machine
6
Improper or Unauthorized Uses
6
Main Characteristics
6
Running-In
7
Positions and Directions of the Machine
7
Product Identification
8
Machine Serial Number
8
Machine Identification Plate and Product Identification Number (Pin)
8
Engine Serial Number and Exhaust Gas Emission Plate
9
Travel Reduction Gear Serial Number
9
Swing Reduction Gear Serial Number
10
Cab Serial Number
10
Serial Numbers and Dealer's Address
11
Komtrax System
12
General Precautions
12
Table of Contents
13
Safety and Accident Prevention
19
Safety, Noise and Vibration Plates
20
Position of the Safety Plates
20
Pictograms and Relevant Meanings
21
Position of the Noise Plates on Machines with Cab
26
Position of the Noise Plates on Machines with Canopy
27
Vibrations to Which the Operator Is Subjected
27
General Precautions
28
General Safety Rules
28
Safety Devices and Guards
28
Clothing and Personal Protection Items
28
Unauthorized Modifications
29
Leaving the Operator Seat
29
Getting on and off the Machine
31
Preventing Fires Due to Fuel and Oil
32
Preventing Burns
32
Preventing Damage Due to Asbestos Powder
33
Preventing Damage Caused by the Work Equipment
33
Fire Extinguishers and First Aid Kit
34
Precautions Concerning the Rops Structure
34
Precautions Concerning the Cab Structure
34
Precautions Concerning the Equipment
34
Precautions to be Taken before Starting the Engine
35
Safety at the Work Site
35
Fire Prevention
35
Precautions Concerning the Operator Seat
35
Room Ventilation
36
Precautions to be Taken for the Lights
36
Cleaning the Windows and Checking the Windshield Wiper Blades
36
Precautions to be Taken When Working
37
Starting the Engine
37
Check the Direction before Starting the Machine
37
Hand Signals
38
Checks for Travelling in Reverse
43
Moving the Machine
43
Moving on Slopes
44
Working on Slopes
45
Unauthorized Operations
45
Preventing Electrocution
47
Visibility
47
Working on Icy or Snow-Covered Surfaces
47
Preventing Damage Caused by the Work Equipment
48
Working on Loose Ground
48
Parking the Machine
48
Transporting the Machine on Motor Vehicles
49
Loading and Unloading the Machine
49
Transporting the Machine
49
Battery
50
Preventing Risks that May be Due to the Battery
50
Starting with Booster Cables
50
Precautions for the Removal of the Machine
51
Precautions for Maintenance
52
Warning Plates
52
Tools
52
Maintenance Staff
52
Equipment
53
Working under the Machine
53
Cleaning the Machine
53
Use of the Engine During Maintenance
54
Periodical Change of the Parts that Are Critical for Safety
54
Stop the Engine before Carrying out any Maintenance Operation or Inspection
55
Rules to be Followed When Refuelling or Adding Oil
56
Checking the Coolant Level in the Radiator
56
Using Lamps
56
Precautions to be Taken When Handling the Battery and the Alternator
57
Precautions Concerning the Starter
57
Handling High-Pressure Hoses
58
Precautions to be Taken When Handling High-Pressure Oil
58
Precautions for Maintenance Operations at High Temperatures and High Pressure
58
Precautions to be Taken When Using High-Pressure Grease to Adjust the Track Tension
59
Do Not Remove the Shock Absorbing Spring from the Shock Absorber Unit
59
Hydraulic Accumulator
59
Cooling Fan and Belt
60
Waste Materials
60
Compressed Air
60
Precautions to be Taken When Handling Technopolymers and Elastomers
61
Precautions to be Taken When Using Synthetic Biodegradable Oil Type Hees
61
The Machine and Its Operations
63
Machine Illustrations
64
Overall View of the Machine
64
Controls and Gauges
65
Instruments and Controls
66
Warning Lights and Gauges
66
Emergency Warning Lights
67
Gauges
69
Warning Lights
71
Switches and Push Buttons
72
Control Levers and Pedals
78
CAB (if Provided)
85
WINDSCREEN (Machines with Cab)
85
DOOR (Machines with Cab)
88
SIDE SLIDING WINDOW (Machines with Cab)
89
EMERGENCY EXIT HAMMER (Machines with Cab)
89
Caps and Covers with Lock
90
Engine Hood
91
Radiator Cover
92
Tank Cover
93
Tilting the Cab Floor
94
Fuses
98
Main Fuse
99
Outlet Fuse
99
Technical Documentation Compartment
100
Tool Box
100
Greasing Pump Support
100
Use of the Machine and Related Controls
101
Before Starting the Engine
101
Visual Checks
101
Checks to be Carried out before Starting the Engine
103
Adjustments
110
Operations to be Carried out before Starting the Engine
113
Starting the Engine
115
After Starting the Engine
118
Running-In
118
Warming the Engine
119
Stopping the Engine
121
How to Move the Machine
122
Preliminary Operations to be Carried out before Moving the Machine
122
Moving the Machine Forward
122
Moving the Machine in Reverse
124
Stopping the Machine
125
Steering the Machine
126
Steering (Changing Direction)
126
Swinging the Turret
128
Work Equipment Controls and Functions
129
Unauthorized Operations
131
Precautions for Use
133
Precautions to be Taken When Travelling on Slopes
135
Getting the Machine out of Mud
137
Operations that Can be Performed with the Hydraulic Excavator
138
Changing the Bucket
140
Parking the Machine
141
Checks to be Carried out before Stopping the Engine
142
Checks to be Carried out after Work
142
Locking the Machine
143
RUBBER TRACKS (Machines Equipped with Rubber Tracks Only)
144
Use of the Rubber Tracks
144
Warranty on Rubber Tracks
144
Use of the Rubber Tracks
145
How to Preserve the Rubber Tracks over Time
145
Transporting the Machine
149
Transport Procedure
149
Loading and Unloading the Machine
149
Lifting the Machine
155
Using the Machine in the Cold Season
157
Precautions to be Taken When Using the Machine in the Cold Season
157
Fuel and Lubricants
157
Coolant
157
Battery
158
Cab Ventilation and Cooling
159
Precautions to be Taken Every Day at the End of Work
160
How to Proceed at the End of the Cold Season
160
Long Periods of Inactivity
161
Before a Period of Inactivity
161
During a Period of Inactivity
161
After a Period of Inactivity
161
Troubleshooting
162
If Fuel Runs out Completely
162
Occurrences that Are Not Failures
162
Removing the Machine
162
Precautions to be Taken When Working in Particular Conditions
163
If the Battery Is down
163
Removing and Installing the Battery
164
Charging the Battery
164
Starting with Booster Cables
165
Other Troubles
167
Electrical Circuit
167
Frame
168
Engine
168
Maintenance
171
Guide to Maintenance
172
Maintenance Notes
174
Oil, Fuel and Coolant
174
Oil
174
Fuel
175
Coolant
175
Kowa (Komatsu Oil Wear Analysis)
176
Storing Oil and Fuel
177
Filters
177
Notes on the Maintenance of the Electrical System
178
Notes on the Maintenance of the Hydraulic System
178
Maintenance Notes Regarding Lubrication
178
Parts Subject to Wear
179
List of the Parts Subject to Wear
179
Fuel, Coolant and Lubricants
180
Coolant
181
Approved Synthetic Biodegradable Lubricants Type Hees
182
Tightening Torques
183
Standard Tightening Torques for Screws and Nuts
183
Standard Tightening Torques for Hoses with Orfs
184
Lubrication
185
Lubrication Diagram
185
Periodical Change of Safety-Related Components
186
Safety-Related Parts
187
Maintenance Plan
188
Maintenance Intervals in Case of Use of the Hydraulic Breaker
190
Changing the Hydraulic Oil Filter
190
Changing the Hydraulic Oil
190
Maintenance Plan
190
Maintenance Procedures
191
When Required
191
Checking, Cleaning or Changing the Air Filter Cartridge
191
CAB AIR FILTER CHECK and CLEANING (Machines with Cab)
193
Checking the Battery Charge Level
194
Cleaning the Fuel Filter (with Water Separator)
195
Draining the Fuel Tank
196
Shoe Fixing Screws Check and Tightening
197
Checking and Adjusting the Steel Track Tension
197
Checking the Rubber Tracks
199
Checking and Adjusting the Rubber Track Tension
201
Changing the Rubber Tracks
203
CHECKING the DETERGENT LEVEL in the WINDSIELD WASHER RESERVOIR (Machine with Cab)
206
LUBRICATION of CAB DOOR HINGES (Machines with Cab)
207
Windscreen Wiper Check
207
Bleeding the Hydraulic System
207
Checks to be Carried out before Starting the Engine
208
Maintenance after the First 50 Hours of Operation
208
(Only for Machines in Which Synthetic Biodegradable Oil Type HEES Is Used)
208
Maintenance after the First 500 Hours of Operation
208
Maintenance Every 500 Hours of Operation
209
Lubrication
209
Changing the Engine Oil and the Engine Oil Filter Cartridge
212
Changing the Fuel Filter Element (with Water Separator)
213
Checking the Oil Level in the Final Reduction Gears
214
Changing the Fuel Pump Prefilter
214
Checking and Cleaning the Fins of the Radiator and of the Exchanger
215
Checking and Adjusting the Fan Belt Tension
216
DRAINING the HYDRAULIC OIL TANK (Only for Machines in Which Synthetic Biodegradable Oil Type HEES Is Used)
217
Maintenance Every 1000 Hours of Operation
218
Changing the Hydraulic Oil Filter
218
Changing the Oil in the Final Reduction Gears
220
Checking and Adjusting the Engine Valve Clearance
220
Maintenance Every 2000 Hours of Operation
221
Changing the Oil in the Hydraulic Tank and Cleaning the Filter
221
NANCE EVERY 500 HOURS of OPERATION") A. CHANGING the OIL in the HYDRAULIC TANK and CLEANING the FILTER
221
Changing the Coolant
224
Checking the Alternator and the Starter
225
Technical Specifications
227
Technical Data
228
Lifting Capacities
230
Lifting Capacities (with Canopy)
230
Lifting Capacities (with Cab)
232
Authorised Tools
236
Precautions Regarding Safety
236
Precautions Regarding the Installation of Equipment
237
Authorised Tools Characteristics
237
Authorised Tools Characteristics
238
Machine Configuration for the Installation of Attachments
239
Position of the Devices
239
Hydraulic Circuit
241
Installing and Connecting the Equipment
241
Maintenance
242
Bleeding
242
Operating the Equipment
243
Long Periods of Inactivity
244
Specifications
244
Precautions to be Taken When Using Optional Equipment
245
Hydraulic Breaker
245
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Komatsu Utility PC26MR-3 Specifications
General
Brand
Komatsu Utility
Model
PC26MR-3
Category
Excavators
Language
English
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