Jacobsen HR5111 Service And Repair Instructions page 164

SECTION 8Q. HYDRAULIC FIELD TEST PROCEDURES
4. Follow the procedure listed under the circuit hav-
ing the problem.
Front Mowers
If all motors are affected, check the case drain
line on the left motor. If the case drain line feels
warmer than the two remaining motors, it may
have excessive internal leakage, see Section 8N.
If only the right and center are affected, check the
case drain line on the center motor. If the case drain
line feels warmer than the remaining motor, it may
have excessive internal leakage, see Section 8N.
If only the right motor is affected, check its case
drain line. If the case drain line feels warmer than
the two remaining motors, it may have excessive
internal leakage, see Section 8N.
Wings
If both motors are affected, check the case drain
line on the inner motor. If the case drain line feels
warmer than the outer motor, it may have exces-
sive internal leakage, see Section 8N.
8Q-8
HYDRAULICS