Komatsu PC88MR-10 Shop Manual page 1241

2. Install packing (31) and washer (30), and tighten
nut (29).
a When installing washer (30), direct the
chamfered side toward the front of the cab.
Nut (29):
10.8 to 12.7 Nm {1.10 to 1.30 kgm}
3. Install cap (28) and wiper arm (27).
a Install the wiper arm (27) so that the
clearance (a) between the washer nozzle
(34) and wiper blade (35), and overlap (d)
between the end surface (c) of the stopper
(41) and end surface (b) of the slider (43) are
the following dimensions.
Dimension (a): 22 mm
Dimension (d): 8mm
4. Tighten nut (26) to close cap (25).
Nut (26):
11.8 to 15.7 Nm {1.20 to 1.60 kgm}
PC88MR-10
50 Disassembly and assembly
a Details of part P
Install the wiper arm with the stopper and
slider are overlapped.
Cab and its attachments
50-213