3-16.5 Hydraulic Ram Replacement, Model 214-706-104-101 (AVUM) - Continued.
Refer to figure 3-15 and remove the Hydraulic Ram Assembly as follows:
Place drip pan under wheels assembly.
Remove hydraulic pressure from system by rapidly rotating the pump release valve knob 1/4 turn
If removal of castle nut from axle requires any appreciable torque, immediately check condition
and security of each split rim attaching bolt and nut. Assure that they are securely holding Inner
and outer wheel rim halves together. If not, removal of the castle nut from axle may result in
explosive separation of rims with resultant damage, injury or death.
Remove wheel assembly.
Remove cotter pin (1).
Remove castle nut (2), and retainer (3).
Remove wheel assembly (4) from axle hub (5).
Disconnect hydraulic ram clevis (10) by removing cotter pin (6), two flat washers (7), and clevis pin (8).
Retain parts for connecting replacement ram clevis.
Rotate axle to see clevis set screw (9) and loosen set screw.
Rotate axle to clear clevis, unthread clevis (10) from hydraulic ram piston (17), and retain clevis for
installation In replacement ram.
Disconnect hose assembly (15) from elbow (16) Installed In ram assembly (11) and drain fluid into drip
Remove elbow (16) from ram assembly (11) and retain for installation in replacement ram.
Remove setscrew (13) and plug from trunnion (14), and retain for installation of replacement ram.
Unthread clevis (10) from ram piston (17).
Unscrew ram assembly (11) from trunnion (14).
Install new ram assembly in accordance with B below.
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