INDICATOR AS-AIR FILTER CHANGE 3870506 - Caterpillar

Illustration 3 g06045530
(1) Load Sense Port
(2) 165-4931 Elbow As
(3) 150-4027 Tee As
(4) 164-5567 Quick Disconnect Coupler As
(5) 6V-0852 Dust Cap
Remove 148-8353 Elbow As from load sense port (1). Install elbow (2) and tee (3). Tighten the elbow and tee to 55 8 N m (41 6 lb ft).
Install coupler (4) and dust cap (5). Tighten the coupler to 55 8 N m (41 6 lb ft).
Illustration 4 g06045533
(6) 382-8804 Hose As
Connect hose (6) to the tee and tighten to 45 5 N m (33 4 lb ft).
Pull the hose a distance of 40 mm (1.5 inch) to the main control valve side and secure.303.5 E2, 304 E2
Table 4
Sales Model Serial Number Prefix New Pump Lines Group Removed Parts Added Parts
303.5 E2 S/N:CR9 467-5543 148-8378 Elbow As 168-1968 Tee As
S/N:AC5
304 E2 S/N:GC5 467-5532 164-5567 Quick Disconnect Coupler As
S/N:HC5 6V-0852 Dust Cap
Illustration 5 g06046145
(1) Load Sense Port
(2) 168-1968 Tee As
(3) 164-5567 Quick Disconnect Coupler As
(4) 6V-0852 Dust Cap
Remove 148-8378 Elbow As from load sense port (1). Install tee (2). Tighten the tee to 55 8 N m (41 6 lb ft).
Install coupler (3) and dust cap (4). Tighten the coupler to 55 8 N m (41 6 lb ft).
Connect the load sense hose to the tee and tighten to 45 5 N m (33 4 lb ft).305 E2, 305.5 E2
Table 5
Sales Model Serial Number Prefix New Pump Lines Group Removed Parts Added Parts
305 E2 S/N:BZ5 465-3583 148-8361 Elbow As 150-4047 Adapter As
S/N:DF5 168-1968 Tee As
305.5 E2 S/N:NC5 164-5567 Quick Disconnect Coupler As
S/N:FR5 6V-0852 Dust Cap
Illustration 6 g06045482
(1) Load Sense Port
(2) 150-4047 Adapter As
(3) 168-1968 Tee As
(4) 164-5567 Quick Disconnect Coupler As
(5) 6V-0852 Dust Cap
Remove 148-8361 Elbow As from load sense port (1). Install adapter (2) and tee (3). Tighten the adapter to 30 5 N m (22 4 lb ft). Tighen the tee to 55 8 N m (41 6 lb ft).
Install coupler (4) and dust cap (5). Tighten the coupler to 55 8 N m (41 6 lb ft).
Connect the load sense hose to the tee and tighten to 45 5 N m (33 4 lb ft).