PUMP G 0918868 - Caterpillar

Tool: COUPLER (Hydraulic Kit) (S/N: 7SW1-UP) Coupler (S/N: XXD1-UP; XXC1-UP; XXA1-UP; BCT1-UP; BCH1-UP; BCE1-UP; BBM1-UP; BBZ1-UP; BBA1-UP; APK1-UP; APD1-UP; ANH1-UP; ANA1-UP)Excavator: 311B (S/N: 8GR1-UP; 8HR1-UP) 312B (S/N: 9GR1-UP; 6SW1-UP; 8JR1-UP; 9FS1-UP; 2NS1-UP; 9NW1-UP) 313B (S/N: AEX1-UP) 315B (S/N: 1SW1-UP; 3AW1-UP) 318B (S/N: 3LR1-UP; 7KZ1-UP) 320B (S/N: 5BR1-UP; 6CR1-UP) 322B (S/N: 1YS1-UP; 8NR1-UP; 2ES1-UP) 325B (S/N: 2JR1-UP; 8RR1-UP; 6DN1-UP) 330B (S/N: 6DR1-UP; 8TR1-UP,3YR,1-UP) 312C (S/N: CBA1-UP) 315C (S/N: CFB1-UP) 320C (S/N: AMC1-UP,Up; RAW1-UP; SBN1-UP; ANB1-UP) 321C (S/N: KBB1-UP) 330C (S/N: CYA1-UP)Several reports indicate that the 176-0344 Hose As is leaking or the hose is coming apart at the crimped fittings.The recommended field repair is to replace the hose assembly with the same parts. Measure the diameters of the crimped fittings as specified in Tool Operating Manual, NEHS0664, "Crimping Caterpillar 294, 716, & 844 Hose and Couplings".