RADIATOR GP 1W6860 - Caterpillar

Image1.1.1
Image1.1.2
Check the boot. If the boot is cracked, please check swing bearing grease box for contamination. In case of contamination and swing gear wear, contact Hydraulic Excavator Product Support, Olivier Dufour at Dufour_Olivier @ cat.com for further instructions.
Runout equal or greater then 4 mm:
Procedure to rework the cover assembly.
The cover assembly is welded on the carbody ring.
Fabricate the template fixture as shown in Image 1.2.1.
Swing the machine in order to align track roller frames and upper frame correctly.
Track motor must be at the rear of the machine in this aligned position.
Remove swing drives, swing drive lines, swivel, swivel lines and boot. Follow your Disassembly and Assembly manual to proceed.
Image1.2.1
Attach the template fixture on the boot bolt pattern on the bottom plate of the upper frame with three 8t4195 Bolts M10x1.5 used to attach the boot on the bottom plate of the upper frame.
Take care to place the template in the FRONT direction of the upper frame. See FRONT of template on Image 1.2.1. See boot bolt pattern on upper frame seen from the top
on Image 1.3.2.
Tighten these 3 bolts to a torque of 55 +/- 10 N.m.(See Image 1.3.1).
Image1.3.1
Image1.3.2
The 5 holes dia. 18 mm are the guides to drill the correct bolt pattern on the
cover assembly which is just below on the carbody.
Drill the 5 holes dia 18 mm into the cover assembly using the template fixture to position the drill bit correctly (see Image 1.4.1).
Image1.4.1
Grind the central hole of the cover to avoid interference with new correct bolt pattern (See Image 1.5.1) using the central hole of the template fixture as a guide.
Remove template fixture, reassemble new boot, swivel, swivel lines, swing drives and swing drive lines following your assembly manual.
Image1.5.1