Jacobsen SLF 1880, Техническое руководство по ремонту

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8G-55
• If flow drops 0.5 gpm (1.9 lpm) or less, right
rear traction motor is okay, proceed to Left
Rear Traction Motor Flow Test.
• If flow drops 0.5 to 1.5 gpm (1.9 to 5.6 lpm), the
right rear traction motor is marginal.
• If flow drops more than 2 gpm (7.6 lpm), perfor-
mance will be noticeably reduced. The right
rear traction motor will require repair or
replacement.
42.Open tester load valve, slow engine to idle speed
and shut off engine.
Left Rear Traction Motor Flow Test
43.Remove blocking disc inserted between left rear
traction motor ports and hoses (Figure 8G-9).
44.All blocking disc are removed to test the left rear
traction motor (Figure 8G-10.
NOTICE
Before performing this test, a traction pump flow test,
front traction motor test, 4WD valve test, and right
rear traction motor test must be performed. Flow
meter connections are maintained from traction
pump flow test with the exception of the blocking
disc being relocated. The flow lock tool should
remain in place and adjustment retained.
NOTICE
This test will provide you total traction circuit leakage
and can be performed to determine if there is a prob-
lem with the traction circuit in general
In
Out
Left Rear Traction Motor Flow Test
Top Hydro Port
“Reverse”
Bottom Hydro Port
“Forward”
Top Hydraulic Line
“Reverse”
Bottom Hydraulic Line
“Forward”