Fig. 2-5 Driving axle diragram
I, axle casing
2, oil seal checkring 3, U seal ring SD I
oo• 130* 12
5, spare shim
6, bearing7214E
7, pin810*30
8, brake drum
10, bearing oil seal assembly.
11, shim
12, nut M60*2
13, washer 60
15, semi-shaftshim
16, bolt
17, vent plug
18, block
20, bolt
21, nutM20*1.5
22, bolt column
23, taper nut
2.4.5 Maintenance of driving axle
2.4.5.1 Precautions for reinstallation of driving axle hub
A .. Apply the lubrication grease on the tapered roller bearing
�, oil stop ring
9, hub
14, semi-shaft
19, bolt
24, brake ass.
B... After tightening the locking nuts of hub internal tapered roller bearing, rotate the hub forward and
backward 2 ,.._, 3 rounds to check if its moment meets the standard. The standard rotating moment
for hub is 7.23-21.7ft
/
lb.
C, The tightening moment of the semi-shaft installing bolt is 71-82 ft
/
lb.
D� the tightening moment of the wheel nuts is 346
,.....,
406ft.lb..
E, the tightening moment of the brake bottom plate installing bolt is 155-170ft
/
lb.
99
2.4.5.2 Precautions for reinstallation of connecting bolt between driving axle and truck frame
The installation of connecting bolts between driving axle and truck frame adopts 1262 thread
locking agent for anti-loose. When the connecting bolt between driving axle and truck frame is loose
or reinstall the driving axle, please clean the rubber-layer dust attached on the bolt. Drip some 1262
thread locking agent on thread engagement and tighten it till the regulated moment.
Ill. Steering System
3, l Technical data
Model
Powered rear wheel steering
Steering wheel diameter mm
12
Cycloid fully hydraulic steering gear
BZZ,
Cylinder bore mm
3.15
Steering cylinder
Piston rod diameter mm
1.96
Stroke mm
162
type
Central hinged bearing
Steering axle
Steering angle
Inner wheel g4
·
,
outer wheel ST
Hub bearing pre tension
Steering moment of hub 1.5-7.4ft
/
lb.
6.00-9-lOPR (2t-2.5t)
wheel
�e
6.50-10-lOPR Ut-4.0t)
Inflation pressure
125psi (2t-2.5t)
115psi C 3t-4.0t)
100
Ranko R55 Forklift
Operator's Maintenance Manual
Common Faults & Solutions
Ranko R55 Forklift
Operator's Maintenance Manual
Common Faults & Solutions