MA7:11
V Range 502 l 652 l 802 Maintenance Manual
Johnston Sweepers Limited
Chapter - Remove and Refit Procedures
JOHNSTON
HYDRODRIVE
(d)
(c)
(b)
(a)
(e)
30
2
4
4
6
6
2
2. FANDRIVE PUMP:-
c) ‘’Standby’’ differential pressure setting
d) Mainrelief valve maximum pressure setting
e) Set displacement limiterdimension to 30mm
DISPLACEMENT
LIMITER
4. TRANSMISSION PUMP:-
24 Bar
420 Bar
Charge Pump pre-set to
a) Forwarddriverelief setting
b) Reverse driverelief setting 350 Bar
TRANSMISSION MOTOR
)
Test assemblyfor leaks
Test ‘free movement’ofsliding gearsat1.0 bar maximum airpressure
Test switches for on/off operation/engagement
M02HT-002a
Apply Kluberpaste (46 MR 401) Part number 94-24 to
all splines on assembly
MK III GEARBOX ASSEMBLY - SETTINGS AND ASSEMBLY DETAILS
VS - Single Engine
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