COUNTERWEIGHT AS 3040356 - Caterpillar

Illustration 9 g01438947
Use a lifting device to position the subassembly of the valve onto the right hand support of the machine. Use previously inserted bolts for positioning.
Install the subassembly on the support. Use the additional 8T-4956 Bolts and the 8T-4223 Hard Washers . Tighten these four bolts.
Illustration 10 g01438950
Connect the drain from the electric check valve (ECV) to the machine drain circuit 111-0988 Hose As . Reinstall 9M-8406 Clip and the spacer. Refer to Illustration 11.
Reinstall the support plate for the harness on the right side front of the (ECV). Connect the electric relief valve (ERV) and the (ECV) harnesses ECV2 BU-Bk, ERV2 PU-YL, ECV direct WH-BK. Refer to Illustration 11.
Use a 204-1611 Cable Strap (3 times) and a 3S-2093 Cable Strap (3 times) to secure the harness.
Install the 113-6666 Hose As and the 275-1582 Hose As .
Connect the 296-7422 Hose As to the block on the right hand side. Use two 1P-4578 Half Flanges , four 8T-4186 Bolts and 8T-4121 Hard Washers . Connect the hose from the main valve to the 266-0954 Block .
Install the 302-2910 Hose As between both sides. Reconnect the high pressure auxiliary line from the boom onto the 266-0954 Block . Use two 1P-5767 Half Flanges , four 8T-4194 Bolts and 8T-4223 Hard Washers .
Illustration 11 g01439009
(20) Reconnect the drain hose. (21) Support plate (22) Clip and spacer
Illustration 12 g01439012
(23) 302-2910 Hose As (24) 296-7422 Hose As (25) 266-0939 Hose As (26) 113-6666 Hose As (27) 275-1582 Hose As
Remove the vacuum source from the hydraulic tank and check the oil level. Replace the filler cap and tighten to specified torque.
Turn the switch inside the cab to the I position. Select any two-way tool on the monitor.
Navigate on the monitor to the service mode and then to configurations/tool installation/variable relief #2. Change the status from not installed to a status of installed V1 RET.
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Install the pressure gauge on the main pump pressure tap (P1 or P2).
Start the machine. Purge the air from the hydraulic lines by actuating the auxiliary circuit several times in both directions at low idle.
Reset the auxiliary mechanical relief valve back to 37000 kPa (5350 psi) that is located on the main valve.
Navigate on the monitor to service/calibrations/relief valves and select the ATCH #2 RLF VALVE and follow the calibration instructions.
Illustration 14 g01439068
Through the monitor or electronic technician (ET), for every tool programs, set the variable relief #2 pressure according to the work tool requirements. One-way tools should be set to kPa. Work tools that use full machine pressure should be set to 40000 kPa (5800 psi).
Reinstall the main valve cover after testing.