TANDEM PUMP REPLACEMENT 2.9 Begin the pump removal by removing any attachment, raise the boom arms and engage the boom support pins. Tandem case drain hose WARNING Front mounting bolt 2 To prevent personal injury do not work under the boom arms without the boom supports engaged. Shut off the engine. 1 Remove the seat and hydrostatic shield. 2 Remove the steering lever linkage. Refer to section 4 for removal and replacement information. 3 Remove the gear pump as out lined in section 2.9. 4 Disconnect all the hydraulic hoses. (fig. C3450) Mark hose and fitting location if necessary to ease re- assembly.
Upon re-assembly, torque the hydraulic fittings and hoses as outlined in the Torque Chart in Section 2.13 Cap all open lines and ports. 5 Remove fittings from the tandem pump to prevent damage while removing pump. Plug all open ports and keep the fittings in a clean area. Inspect fittings and o- rings for damage, replace as required. 6 Loosen the forward lower mounting bolt on the tan- dem pump mounting bracket. (fig. C3451) 7 Remove the 2 bolts on the u-joint access panel (fig. C3453) to gain access to the rear mounting bolts for the tandem pump. Tip the top of the panel rearward and pull the panel forward to remove.
High pressure hoses C3450 Lower mounting bolt C3451 Access panel bolts IMPORTANT When making repairs to the hydraulic system, keep the work area and parts clean. Use caps and plugs on all open lines and ports. 8 Attach a lifting device to the tandem pump. The pump is fairly heavy, approximately 80 lbs. (36 Kg) It is highly recommended to use a mechanical lifting device to assist removal of the tandem pump. 9 Remove the 2 rear mounting bolts by access through the u-joint access panel and remove the front mounting bracket. Remove tandem pump from the loader. (fig.
C3452) C3453 Access panel open CAUTION Pump Mounting Bolts To prevent possible personal injury, do not attempt to lift heavy objects without assistance. C3452 2-16