Assembling; Preparation; General Precautions For Assembling Work - Doosan DX140R Shop Manual

ASSEMBLING

Assembling, in principle, shall be carried out in the reverse order
of the disassembling.

Preparation

Prepare work table, tools, devices, same as those described in
the Disassembling Section.

General Precautions for Assembling Work

1. Cautions for assembling work, in principle, are same as
those defined in the Disassembling Section.
2. Remove any metallic particle and foreign matters from all
the parts. Check and remove rust or scratch with oil stone.
3. Replace O-ring, Oil Seals and Floating Seals with new
ones.
4. Remove the residual adhesive in the screw holes (12) on
the Hub (1) through the M10 P1.5 tab.
Wash, degrease the screw holes, blow the holes with
compressed air to remove residual wash liquid.
Replace the hex-groove bolts (35) with new ones.
5. When assembling the O-ring, Oil seals and floating seals,
take care not to damage them (apply a small amount of
grease for smoothness).
6. Be sure to apply clean machine oil (NAS Class 9 or better)
on the moving and reciprocating surfaces of the hydraulic
motor and valves
7. Do not wear cloth gloves while assembling to prevent
malfunction by residual fibers.
8. Tighten the bolts and Plugs by the torque specified in the
See "Torque" on page -33.
9. Plug all ports to prevent dust after assembling.
10. The photos and pictures are on the typical model. Partial
difference may exist, however, the order of assembling
procedures are the same.
Travel Moter
Page 54
SP001346