HYDRAUL IC OPERATION & SAFETY
HYDRAULIC HOSE HOOK UP
• For ease of hook up, hose grip handles are colour coded. • The same colour is used for each hydraulic circuit. • To distinguish between EXTEND and RETRACT , hose grips are marked accordingly. • Clean hydraulic hose breakaway ends before connecting to tractor. • Hose grip circuits are colour coded and marked accordingly for In & Out . • After disconnecting tractor, ensure hydraulic hoses are safely stored in the hose holder.
HOSE GRIP COLOUR CODES
RECOMMENDED PORT NUMBER FUNCTION
COLOUR FROM JUNE 2021
COLOUR PRE JUNE 2021
1
WHEEL LIFT
RED
RED
2
FORE & AFT (TILT)
BLUE
YELLOW
3
WING FOLD
YELLOW
GREEN
4
ROLLER (OPTION)
GREEN
BLUE
5
JACK LIFT
ORANGE
GREEN YELLOW
Figure 17
EXTEND
Out
WHEEL CIRCUIT
RETRACT
In
WARNING: ALL SAFETY LOCKS MUST BE ENGAGED FOR TRANSPORT & SERVICING. FAILURE TO COMPLY COULD RESULT IN SERIOUS INJURY OR DEATH. IMPORTANT: NEVER FORCE HYDRAULICS DOWN WHILE SAFETY LOCKS ARE INSTALLED.
EXTEND
Out
FOR & AFT (TILT) CIRCUIT
RETRACT
In
EXTEND
Out
WING CIRCUIT
RETRACT
In
EXTEND
Out
ROLLER CIRCUIT
RETRACT
In
EXTEND
Out
JACK CIRCUIT
RETRACT
In
Figure 18
21
2917U & 2920U UNIVERSAL SPEEDTILLER Ⓡ
OPERATOR & SAFETY MANUAL
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