Vehicle System Specification 9
Mast
(1) With mast at 475 mm (18.7 in) channel lap,
equally shim both sides until contact (A) is made
(zero clearance) between bearings and mast
uprights.
(2) With mast at full extension, shim behind pads
until there is clearance (B) between the mast
uprights and the pads of .........0.80 mm (.031 in)
(3) Select lower bearings from the chart to obtain
minimum clearance (C) between bearing and
channel leg for full channel length. Use same
bearing on left and right side.
(See Mast Adjustment in Testing & Adjusting).
MAST BEARING CHART
D581814 Undersize 108.60mm (4.276in)
D581815 Standard 109.60mm (4.315in)
D581816 Oversize 110.70mm (4.358in)
* Permissible tolerance of ±0.08 mm (.003 in).
Carriage
(1) Select bearings from the chart to obtain
minimum clearance (C) between bearings and
channel leg for full channel length. Use same
bearing at all six locations.
(2) Equally shim both sides until contact (A) is
made (zero clearance) between bearings and
inner mast at narrowest point.
(3) Shim bolt as needed to obtain a 6.0 to 9.0 mm
(.236 to .354 in) overlap (B) between bolt (3)
and the carriage stop on the inner upright.(See
Carriage Adjustment in Testing & Adjusting).
(4) Torque for screw......... 34 ±7 N·m (360±24 lb·in)
CARRIAGE BEARING CHART
Part No. Bearing Size Bearing OD*
D581814 Undersize 108.60 mm (4.276 in)
D581815 Standard 109.60 mm (4.315 in)
D581816 Oversize 110.70 mm (4.358 in)
* Permissible tolerance of ±0.08 mm (.003 in).
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