LEFFER
STAHLBAU - APPARATE- UND MASCHINENBAU - LEICHTBAU - MONTAGEN
Stahl- und Apparatebau Hans Leffer GmbH & Co. KG
⋅
Postfach 20 03 60
⋅
66044 Saarbrücken
Ust-IdNr.:DE 814736552
40-010137
Hausanschrift:
Telefon
+49
-
6897-793-0
Bankverbindungen:
Pfählerstraße 1, Dudweiler, 66125 Saarbrücken / Deutschland
Telefax
+49-6897-793 330
Landesbank Saar Girozentrale, Saarbrücken
+49-6897-793 217
Nr. 5182-001
(BLZ 590 500 00)
Briefanschrift:
Bayerische Hypo- und Vereinsbank AG, Mannheim
Postfach 20 03 60, 66044 Saarbrücken / Deutschland
Nr. 7 002 580
(BLZ 670 201 90)
Express-Station:
Handelsregister Saarbrücken HRB 4398
Geschäftsführer: Hans G. Leffer, Georg Leffer
Hauptbahnhof, 66111 Saarbrücken / Deutschland
32
L
H
According to the oscillator load, but every
2500 hours
change all hydraulic fluid and
the hydraulic filter element of the power pack.
We recommend changing the oil for the first time after
500 hours
.
NOTE
In addition (if no power pack is used) comply with the carrier manufacturer’s
care and maintenance instructions!
8.3 SETUP AND OPERATION
8.3.1
For erection of the oscillator, a horizontal level of ~ 20 m
2
(~ 215 sqft.) shall be
prepared at the pile drilling site. Horizontal erection of the oscillator facilitates
perpendicular drilling of the hole and prevents the moving collar from tilting while
closing. With the great forces developing when closing the collar, tilted closing
will cause damages and/or constriction of the casings.
8.3.2
The support formation of the oscillator must have sufficient load-bearing capacities.
Uncontrolled caving underneath the machine during drilling or extracting of casings
may cause damage to the steelwork and to the hydraulic cylinders.
If the necessary load-bearing capacity appropriate to the lifting forces of the
oscillator (max. 5,8 kg/cm2 ~ 11880 lbs/sqft) cannot be achieved, a suitably sized
steel mattress shall be used to support the machine on the ground.
8.3.3
NOTE
Make sure that for the following procedure the oscillator and the crane are
standing on leveled ground!
