Ammann APR 4920 Traducción De Instrucciones Originales página 43

5.7.6 Tensioning V-belt
1
B5399024.cdr
•
Remove V-belt guard (1).
•
Check V-belt for tension and condition. Tension if necessary:
4
2
B5899025.cdr
•
Loosen set screws (2), do not unscrew.
•
Insert auxiliary tools (ø 6 mm) into bores (3) and (4).
•
Tension V-belt by turning clutch halves (2) and (3) in opposite
directions. X= 10 mm.
•
Crank the drive manually and re-check tension and correct if
necessary.
•
Replace V-belt guard.
Do not start the engine without V-belt guard. Dan-
ger of injuries.
Danger
5.7.7 Filling and bleeding the circuit
•
Release locking screw (1).
•
Set throttle lever (2) to «V».
•
Pour in hydraulic fluid whilst continually changing the throttle
lever position. To ensure correct bleeding, from time place the
shaft vertically.
•
Stop filling when
3
-
a distinct «clicking»-noise is heard in the exciter whilst
shifting the lever
-
you no longer feel a cushion of air when moving the throttle
lever
When filling, the circuit path is shortened.
Important
2
•
To check oil level, start engine and bring up to operating
speed.
•
Move throttle lever several times backwards and forwards bet-
ween «V» and «R».
•
The correct oil level should be somewhere in the area shown
(See Illus.); at this point the throttle lever must be in the «V»
position.
•
If the level is too low, top up with hydraulic fluid; if too high,
drain off excess fluid.
•
With the machine running and the throttle lever in the «V» po-
sition, close locking screw (1).
40
5. Maintenance
2 2
Hydraulic-oil
HVLP 46
1 1