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Borg Locks Help Line: 

+44 (0) 1708 225700

BL3100 & 3400 ECP Series 

Fitting XL Latchbolt - Part No. 

BLGATELATCHNEW

To fit the XL latchbolt, the existing latchbolt will need to be removed. The tools required to fit are a 1.5mm (1/16”) 

hex key and 4mm (3/16”) hex key. 

Please Note: Before following step 1, it is advised that the 2 x grub screws are heated with 

hot

 water to 

 .

release the thread lock. Take 

extreme 

care when pouring 

ho

t

 water onto the grub screws. 

1.

 

Using a 1.5mm (1/16”) hex key, remove the 2 x hex head grub screws located either side of

 

 the latch sleeve 

As per 

Fig.1

 and 

Fig.2

 below.

Fig.1

Fig.2

Fig.3

2.

 Using a 4mm (3/16”) hex key, remove the hex head bolt located in the end of the latchbolt as per 

Fig.3

. Keep this 

bolt, as this will be needed when the XL latchbolt is fitted.

3.

 Holding the latchbolt sleeve, grip and rotate the latchbolt anti-clockwise until it comes away from the sleeve - as 

per 

Fig.4

Fig.4

Latchbolt 

Sleeve

Latchbolt 

Fig.5

Latchbolt 

Sleeve

XL Latchbolt 

Ball 

Bearing

4.

 Ensure that the 2 x ball bearings are in line with the holes either side of the XL latchbolt as per 

Fig.5. 

If there is 

not already - place a small amount of grease around the ball bearings to ensure they do fall out of the holes.

 

With 

the bearings in position, screw the threaded part of the XL latchbolt (clockwise) into the latchbolt sleeve until both 

halves join as per 

Fig.6.

Continued Page 2

Ball Bearing & 

Latchbolt Hole 

Fig.6

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