WGR
– Worm Gear Reducer
Instruction and operating manual
© Copyright by BIFFI Italia. All right reserved
MAN 684/Rev 5 Page
15
7
ADJUSTING THE MECHANICAL STOPPERS
7.1
Grease-lubrication-type gearbox (WGR standard type)
Please refer to the following Picture 3
Important
Closed position:
1.
Loose the nut (1).
2.
Loose the stopper (2) with a hex-head wrench. Stopper shall be taken out
as much as possible from the body of the gear.
3.
Set-up actuator stroke limits according to the procedure described in
MAN618, chapter 1, paragraphs 1.1 and 1.2.
4.
Tighten the stopper (2) until it stops, then step back a quarter of turn.
5.
Tighten the nut (1).
Open position:
the same procedure of closed position, on the opposite stopper.
Picture 3
7.2
Oil-lubrication-type gearbox (WGR-DW series models)
Please refer to the following Picture 4
Important
Closed position:
1.
Remove the plug (1) with a hex-head wrench.
2.
Release the cap (2).
3.
Loose the nut (1).
4.
Loose the stopper (2) with a hex-head wrench. Stopper shall be taken out
as much as possible from the body of the gear.
5.
Set-up actuator stroke limits according to the procedure described in
MAN618, chapter 1, paragraphs 1.1 and 1.2.
6.
Tighten the stopper (2) until it stops, then step back a quarter of turn.
7.
Tighten the nut (1).
Open position:
the same procedure of closed position, on the opposite stopper.
(1)
(2)
