•
9/16” socket
•
1/2” combination wrench
•
9/16” combination wrench
•
Spring compression tool (1210-001-003)
•
OG2 grease (M0027)
P
Prro
occe
ed
du
urre
e::
1. Remove the litter. See
Litter removal, hydraulic base
2. Lower the jacks all the way down using the appropriate release pedal.
3. Move the base from underneath the supported litter to an appropriate work area.
4. Lift the base hood.
5. Separate the V
Ve
ellccrro
o® fasteners that secure the base hood to the base.
6. Using a 1/2” combination wrench and 1/2” socket, remove the locknut and bolt that link the activation bar to the pump
piston. Save the locknut and bolt.
7. Using a spring compression tool, compress the pump spring of the jack that needs replacement.
8. Remove the spring and shoulder socket from the pump piston. Save the spring and shoulder socket.
N
No
otte
e -- Apply OG2 grease to the spring before installation.
9. Using a 1/2” combination wrench and 1/2” socket, remove the two locknuts and two bolts that secure the jack clamp to
the frame. Save the locknuts and bolts.
10. Using a 9/16” combination wrench and 9/16” socket, remove the four locknuts, four washers, and four bolts that secure
the jack base to the base frame. Support the jack base before you remove the fasteners. Save all parts.
11. Remove and discard the jack. Use caution as the release valve pin is still connected to the descent lever.
12. Install the spring holder and safety stop on the new jack.
13. Reverse steps to reinstall.
14. Adjust the jack descent rate. See
Constant flow jack descent rate adjustment, hydraulic base
15. Verify proper operation before you return the product to service.
H
Hyyd
drra
au
ulliicc ffllu
uiid
d lle
evve
ell cch
he
ecckk,, h
hyyd
drra
au
ulliicc b
ba
asse
e
C
CA
AU
UT
TIIO
ON
N -- Do not use hydraulic fluids other than the recommended M
Mo
ob
biill™ Aero HFA to avoid the risk of jack damage.
T
To
oo
ollss rre
eq
qu
uiirre
ed
d::
•
(2) Bungee cords (or equivalent)
•
3/4” socket
•
M
Mo
ob
biill™ Aero HFA hydraulic fluid (2020-070-475)
P
Prro
occe
ed
du
urre
e::
1. Raise the rails to the highest position.
2. Lower the litter to the lowest height.
3. Apply the brakes.
4. Make sure that there are no hydraulic fluid leaks. If leaks are present, replace the jack. See
5. Remove the bottom part of the bellows from the base hood.
6. Using bungee cords, support the bottom part of the bellows to gain access to the fill plug.
EN
22
1900-009-002 Rev AA.6