Manitowoc Grove GMK 4100L-1 - Page 9

Additional pages for maintenance manual 3 302 584 en 7
GMK 4100L-1
24.04.2017
Checking the gap dimensions
• Check the gap dimensions at measuring
points (1) and (2) using a feeler gauge (3).
If the gap dimensions are too large or too small
• Have the head repaired by Manitowoc Crane Care or an authorised
GROVE dealer;
à Note – Having the telescoping cylinder repaired, p. 1 - 9.
If the gap dimensions are correct
Lubricate the head
• Lubricate the running surfaces of the
head (3), the connecting link (1) and the
guides and joints of the lever (2) using a
brush (PAL 1 lubricant paste).
• Manually push the connecting link (1)
multiple times to both end positions to
distribute the lubricant paste. The
movement must be soft and free.
s
Head
Measuring point
(1)
Measuring point
(2)
Type (A)
1.3 mm
up to 2.2 mm
(0.05 in
to 0.08 in)
0.3 mm
up to 1.2 mm
(0.01 in
to 0.05 in)
Type (B)
0.15 mm
up to 0.25 mm
(0.006 in
to 0.010 in)
0.15 mm
up to 0.25 mm
(0.006 in
to 0.010 in)