Replacing Lubrication Oil Pump

If the oil pipe on the lubrication pump for some reason has been damaged, or if an alternative lubricating volume is required, the lubrication pump has to be replaced.

Before performing any maintenance or service work, lower the attachment to the ground and shut off the engine. Turn off any master shut-offs and do not allow personnel in the cab. When replacing the lubrication pump, do as described below. Disassemble all connections and hose fittings from the old lubrication pump to be used with the new pump. Remove the fasteners(1), 4 pcs. from the cylinder. Use a 8mm Allen key. Gently pull out the lubrication pump(2) from the barrel (3). Remove the barrel (3). Remove the gland screw (1).Use a 19mm Allen key, Carefully clean the gland screw (1), and apply LocTite 243 on the thread. Install the gland screw. Make sure that the size of the gland screw matches the size of the oil pipe on the replacement pump. Install the barrel. Make sure that the inlet hole in the barrel alligns with the inlet hole in the contact flange. Install the lubrication oil pump. Tighten the fasteners(1), 4 pcs. Assemble all connections and hose fittings to the new lubrication oil pump.

Fig. 30Replacing Lubrication Oil Pump Fasteners, 4 pcs. Lubrication Oil Pump Barrel

Fig. 31Replacing Lubrication Gland Gland Screw Piston Piston Rod