Yanmar SA Series - Connecting Hydraulic Hoses

11-5
11. HYDRAULIC SYSTEM
SA221/324/424 Operation Manual
■ Connect the Implement Hydraulic
Hoses
1. Park the tractor safely and securely.
• For details, see "7. Safe Practices for Parking the
Tractor" on page 1-7.
2. Chock all the tires safely and securely.
3. Fully relieve the hydraulic pressure:
• By moving the implement control lever forward,
backward, right and left several times.
4. For the procedure on connecting the hydraulic
hoses to the hydraulic quick couplers, read the
implement Operation Manual.
(A) Implement control lever
(B) Implement control lever lock
(a) Lower the implement to the ground
Avoid injury!
●Avoid connecting the hoses to the hydraulic
quick couplers before the hydraulic system
pressure has been fully relieved.
●When checking for leaks, run a piece of
cardboard or wood block along the hydraulic
lines and connections.
●Avoid getting in contact with high pressure
transmission hydraulic oil.
• pressurized transmission hydraulic oil can:
penetrate the skin and other body parts
cause serious injury
●Immediately see a doctor if transmission
hydraulic oil penetrates the skin or other body
parts.
• transmission hydraulic oil must be
surgically removed
• gangrene may develop
NOTE
●Insert the rubber plug into an unused coupler.
! WARNING
(A)
(B)
(a)
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