PRONAR T680, Operator'S Manual, Page: 9 / 147

5.2 MAINTENANCE OF BRAKES AND AXLES 5.2
5.2.1 PRELIMINARY INFORMATION 5.2
5.2.2 INITIAL INSPECTION OF AXLE BRAKES 5.3
5.2.3 CHECKING BRAKE SHOE LININGS FOR WEAR 5.3
5.2.4 CHECKING WHEEL AXLE BEARINGS FOR SLACKNESS 5.5
5.2.5 ADJUSTMENT OF PLAY OF WHEEL AXLE BEARINGS 5.7
5.2.6 MOUNTING AND DISMOUNTING WHEEL, INSPECTION OF
WHEEL NUT TIGHTENING 5.8
5.2.7 CHECKING AIR PRESSURE IN TYRES, EVALUATING
TECHNICAL CONDITION OF TYRES AND STEEL WHEELS 5.11
5.2.8 ADJUSTMENT OF MECHANICAL BRAKES 5.12
5.2.9 REPLACEMENT OF PARKING BRAKE CABLE AND
ADJUSTMENT OF CABLE TENSION. 5.16
5.3 PNEUMATIC SYSTEM MAINTENANCE 5.19
5.3.1 PRELIMINARY INFORMATION 5.19
5.3.2 CHECKING AIR TIGHTNESS AND VISUAL INSPECTION OF
PNEUMATIC SYSTEM 5.20
5.3.3 CLEANING THE AIR FILTERS 5.21
5.3.4 DRAINING WATER FROM AIR TANK 5.23
5.3.5 CLEANING THE DRAIN VALVE 5.24
5.3.6 CLEANING AND MAINTAINING PNEUMATIC CONDUIT
CONNECTIONS AND PNEUMATIC SOCKETS 5.24
5.3.7 REPLACEMENT OF PNEUMATIC CONDUIT 5.25
5.4 HYDRAULIC SYSTEM MAINTENANCE 5.26
5.4.1 PRELIMINARY INFORMATION 5.26
5.4.2 CHECKING HYDRAULIC SYSTEM TIGHTNESS 5.27
5.4.3 CHECKING TECHNICAL CONDITION OF HYDRAULIC
COUPLERS AND SOCKETS. 5.27
5.4.4 REPLACEMENT OF HYDRAULIC CONDUITS 5.28
5.5 MAINTENANCE OF ELECTRICAL SYSTEM AND WARNING
ELEMENTS 5.28