New Holland T7.170, Service Manual

Page: 79 / 81

HYDRAULIC, PNEUMATIC, ELECTRICAL, ELECTRONIC SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
Hydraulic pump Variable displacement pump - Remove
Prior operation:
Battery - Disconnect (A.30.A)
1.
WARNING
Heavy objects!
Lift and handle all heavy components us-
ing lifting equipment with adequate ca-
pacity. Always support units or parts with
suitable slings or hooks. Make sure the
work area is clear of all bystanders.
Failure to comply could result in death or
serious injury.
W0398A
WARNING
Crushing hazard!
The wheels on this vehicle are very heavy.
Always use a wheel remover or chain
hoists to remove and install the wheels.
Use an assistant as required.
Failure to comply could result in death or
serious injury.
W0149A
Raise the rear of the tractor and place two suitable
axle stands
(1) under the final drive cases.
NOTE: If required, detach the lift rods from the lower links.
BTB0281A
1
2. Using a wheel removal tool, remove the rear right-
hand wheel.
BAIL10CVT507AVA
2
NOTE: To replace the main hydraulic oil filter, the hydrostat filter must be removed first to gain access to the main
hydraulic oil filter guard retaining bolts.
3. Using a suitable filter removal tool, remove the hy-
drostat oil filter.
BAIL10CVT626AVA
3
84479148A 15/09/2011
A.10.A / 51