Tronair 02-0517C0140 Operation & Service Manual Download Page 7

Models:  02-0517C0140 & 02A0517C0140 

5 Ton (4.5 Metric Ton) 

Two Stage Jack 

 

 

09/2006 - AA - Rev. OR 

- 3 - 

 

1.4.2 Jack 

Instructions 

(continued) 

 

3. 

Close pump release valve by turning clockwise. 

 

NOTE: 

Turning the pump release valve counter-clockwise lowers the jack. Turning the pump 
release valve clockwise stops the jacks descent, and allows it to be raised. 

 

4. 

If air pump is to be used, be sure shop air needle valve is closed and attach shop air (125 
psi/8.6 bars Maximum) to needle valve. Open needle valve and operate air pump. Close 
needle valve when ram reaches required height. 

5. 

Hydraulic rams must be completely retracted before operating the jack. 

6. 

Close pump release valve and operate pump. 

 
 
1.4 Operating instructions continued on following page 

LOCKING PIN

RAM PROTECTION RING

CORRECT PIN
PLACEMENT

MECHANICAL EXTENSION

BALL LOCK

AREAS TO BE FREE
OF INDENTATIONS

RAM PROTECTION RING

LOCKING PIN

RAM PROTECTION RING

INCORRECT PIN
PLACEMENT

MECHANICAL EXTENSION

BALL LOCK

LOCKING PIN

RAM PROTECTION RING

INCORRECT PIN
PLACEMENT

MECHANICAL EXTENSION

BALL LOCK

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