Maintenance
Section
4-18
AB38 Work Platform
CHANGING THE OIL
Unless an oil suction system can be used, it is
necessary to remove the gearbox to fully drain the oil.
1.
The AB38 should be driven for five minutes in
order to bring the oil up to working temperature.
2.
The Electric Traction Motor must be
disconnected from the Gearbox.
Disconnect the batteries when working near
the traction motors.
3.
Unscrew the four bolts that hold the traction
motor to the Gearbox and pull the Motor away
from the rear face of the Gearbox.
4.
Disconnect the brake hose from the brake port
on the Gearbox and plug to avoid excessive oil
spillage.
5.
Loosen the five wheel nuts securing the Wheel
Assembly to the Gearbox studs.
6.
Jack up the rear of the AB38 and chock the
front wheels to prevent the machine from
moving during the service.
7.
Remove the Wheel Assembly by unscrewing
the five wheel nuts
8.
Unscrew the eight securing bolts that hold the
Gearbox to the Chassis, and remove the
Gearbox, noting its orientation on the chassis
before removal.
9.
Remove the oil filler and drain plugs from the
front (stud) face of the Gearbox.
10.
Stand the Gearbox vertically (studs facing
down) in a suitable oil disposal container and
allow the oil to drain fully.
11.
The Gearbox needs to be half filled which
requires approximately 0.9 Litres (0.23 Gallons
US) of oil. To check this level, rotate the
Gearbox into the horizontal position with one of
the filler/drain plug holes in the 3 O’ Clock
position and the other plug hole above it (See
fig 4-14 ). When the Gearbox is half full oil will
just start to trickle out the plug hole in the 3
O’Clock position.
12.
Insert and tighten both plugs and clean the
surfaces of the gearbox.
13.
Reattach the Gearbox to the Chassis in its
original position with the eight securing bolts.
The Gearbox Securing Bolts must be torqued
to 130 Nm (96 ft. lbs).
WARNING
14.
Reattach the brake hose to the brake port.
15.
Reattach the Wheel Assembly to the Gearbox
using the five M14 nuts.
The Wheel Assembly Nuts must be torqued
as per values given in Table 4-1.
16.
Reattach the Electric Traction Motor to the
Gearbox.
The Electric Traction Motor Bolts must be
torqued to 74 Nm (55 ft. lbs).
Repeat this procedure for the other Drive
Gearbox.
CAUTION
CAUTION
CAUTION
4.13
4.13
Torque Specifications
RETAINING BOLTS
Use the following values to torque bolts used on
Ui
AB38 Work Platform unless a specific torque value is
called out for the part being installed.
Table 4-3: Bolt Torques
Torque
Thread Size
Location
Metric
Imperial
M4
SPIRIT
3 Nm
2 Ft/Lbs
LEVEL
M6
VARIOUS
10 Nm
7 Ft/Lbs
M8
TRUNNION
25 Nm
18 Ft/Lbs
M10
PIN LOCK
45 Nm
33 Ft/Lbs
PLATES
M12
TORQUE
90 Nm
67 Ft/Lbs
ARMS
5/8” -11 UNC
SLEW
220 Nm
165 Ft/Lbs
x 3 1/2”
BEARING
(ISO 10.9)
(US Grade 8)
NOTE:
All Bolts are ISO Grade 8.8 unless
otherwise stated
Содержание AB38
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Страница 10: ...Contents Section IV AB38 Work Platform i NOTES...
Страница 14: ...Introduction Specifications Section 1 4 AB38 Work Platform NOTES 1 3...
Страница 17: ...Machine Preparation Section 2 3 AB38 Work Platform NOTES 2 7...
Страница 18: ...Machine Preparation Section 2 4 AB38 Work Platform 2 7 NOTES...
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Страница 30: ...Operation Section 3 12 AB38 Work Platform NOTES 3 5...
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