TOYOTA 8FBMT20 Forklift Service Repair Manual.pdf

8FBET15, 16, 18, 20
Pub. No. CE345-1
EPAIR
ANUAL
8FBEKT16, 18
8FBMT15, 16, 18, 20

FOREWORD
This manual covers the service procedures of the TOYOTA FORKLIFT
8FBET15~20/8FBEKT16,18/8FBMT15~20 series. Please use this manual for
providing quick, correct servicing of the corresponding forklift models.
This manual deals with the above models as of November 2010. Please understand
that disagreement can take place between the descriptions in the manual and actual
vehicles due to change in design and specifications. Any change or modifications
thereafter will be informed by Toyota Industrial Equipment Parts & Service News.
(Reference)
Repair manuals related to this manual are as follows:
TOYOTA INDUSTRIAL EQUIPMENT 8FBET15~20/8FBEKT16,18/
8FBMT15~20 REPAIR MANUAL (No. CE345)
TOYOTA INDUSTRIAL EQUIPMENT 8FBET15~20/8FBEKT16,18/
8FBMT15~20 NEW MODEL FEATURES (No. PE318)

NAME SECTION
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SECTION INDEX
GENERAL
BATTERY
CONTROL SYSTEM
MULTI-FUNCTION DISPLAY
TROUBLESHOOTING
MOTOR
DRIVE UNIT & FRONT AXLE
REAR AXLE
STEERING
BRAKE
BODY
MATERIAL HANDLING SYSTEM
MAST
CYLINDER
OIL PUMP
OIL CONTROL VALVE
SAS FUNCTIONS
MAIN OPTIONS
APPENDIX

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0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
E
GENERAL
Page Page
VEHICLE EXTERIOR VIEW ....0-2
VEHICLE MODELS .................0-4
FRAME NUMBER....................0-4
HOW TO USE THIS
MANUAL................................0-5
EXPLANATION METHOD...........0-5
TERMINOLOGY ........................0-6
ABBREVIATIONS......................0-6
SI UNITS ..................................0-7
OPERATIING TIPS ..................0-8
JACK-UP POINT.......................0-9
HOISTING THE VEHICLE.........0-10
WIRE ROPE SUSPENSION
ANGLE LIST ........................0-11
SAFE LOAD FOR EACH
WIRE ROPE SUSPENSION
ANGLE.................................0-11
COMPONENT WEIGHT............0-12
TOWING THE VEHICLE...........0-13
ELECTRICAL PARTS
INSPECTION ........................0-14
STANDARD BOLT & NUT
TIGHTENING TORQUE.......0-15
BOLT STRENGTH CLASS
IDENTIFICATION METHOD ....0-15
PRECOAT BOLTS...................0-18
HIGH PRESSURE HOSE
FITTING TIGHTENING
TORQUE ..............................0-18
RECOMMENDED LUBRICANT
QUANTITY AND TYPES .....0-19
LUBRICATION CHART .........0-20
PERIODIC MAINTENANCE ..0-22
PERIODIC REPLACEMENT
OF PARTS AND
LUBRICANTS......................0-26

0-2
0-2
VEHICLE EXTERIOR VIEW
8FBET15 - 20
8FBEKT16,18
* This illustration is
Battery Roll-out
(OPT) model.

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1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
E
8FBMT15 - 20

0-4
0-4
VEHICLE MODELS
3-Wheel Models
4-Wheel Models
FRAME NUMBER
Vehicle Model Load Capacity Control Method Voltage (V)
8FBET15 1.5 ton AC Microcomputer controller 48
8FBET16
8FBEKT16
1.6 ton ↑ ↑
8FBET18
8FBEKT18
1.8 ton ↑ ↑
8FBET20 2.0 ton ↑ ↑
Vehicle Model Load Capacity Control Method Voltage (V)
8FBMT15 1.5 ton AC Microcomputer controller 48
8FBMT16 1.6 ton ↑ ↑
8FBMT18 1.8 ton ↑ ↑
8FBMT20 2.0 ton ↑ ↑
Vehicle model Punching format Punching position
8FBET15 8FBET15 10011
8FBEKT16 8FBEKT16 10011
8FBEKT18 8FBEKT18 10011
8FBET16 8FBET16 10011
8FBET18 8FBET18 10011
8FBET20 8FBET20 10011
8FBMT15 8FBMT15 10011
8FBMT16 8FBMT16 10011
8FBMT18 8FBMT18 10011
8FBMT20 8FBMT20 10011
Punching Position

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0
1
2
3
4
5
6
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8
9
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12
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18
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21
E
HOW TO USE THIS MANUAL
EXPLANATION METHOD
1. Operation procedure
(1) The operation procedure is described in either pattern A or pattern B below.
Pattern A: Explanation of each operation step with illustration.
Pattern B: Explanation of operation procedure by indicating step numbers in one illustration, followed by
explanation of cautions and notes summarized as point operations.
Example of description in pattern B
DISASSEMBLY·INSPECTION·REASSEMBLY
Tightening torque unit T = N·m (kgf·cm) [ft·lbf]
Disassembly Procedure
1 Remove the cover. [Point 1]
2 Remove the bushing. [Point 2]
3 Remove the gear.
Point Operations
[Point 1]
Disassembly:
Put a match mark when removing the pump cover.
[Point 2]
Inspection:
Measure the bush inside diameter.
Limit: 19.12 mm (0.7528 in)
• Step Nos. are partially sometimes omitted in
illustrations.
• When a part requiring tightening torque
instruction is not indicated in the illustration,
the part name is described in the illustration
frame.
T = 46.1 to 48.1
(470 to 490)
[34.0 to 35.5]
Ã Operation explained later
Ã
Explanation of key point for operation with an illustration

0-6
0-6
2. How to read component figures
(1) The component figures use the illustration in the parts catalog
for the vehicle model. Please refer to the catalog to check the
part name.
3. Matters omitted from this manual
(1) This manual omits descriptions of the following jobs, but perform them in actual operation:
(a) Cleaning and washing of removed parts as required
(b) Visual inspection (partially described)
TERMINOLOGY
Caution:
Important matters, negligence of which may cause accidents. Be sure to observe them.
Note:
Important items, negligence of which may cause accidents, or matters in operating procedure which require
special attention.
Standard: Value showing the allowable range in inspection or adjustment
Limit: The maximum or minimum value allowed in inspection or adjustment.
ABBREVIATIONS
Abbreviation Meaning Abbreviation Meaning
ASSY Assembly SAE Society of Automotive Engineers (USA)
ATT Attachment SAS System of active stability
LH Left hand SST Special service tool
L/ Less STD Standard
OPT Option T= Tightening torque
O/S Oversize {{T Number of teeth ({{T)
PS Power steering U/S Undersize
RH Right hand W/ With
(Example)
3201
Parts catalog
FIG number

6-3
1
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5
6
7
8
9
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12
13
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16
17
18
19
20
21
E
SPECIFICATIONS
3W:
4W:
Vehicle models 8FBET15 8FBEKT16
Item STD S/D CABIN S/D+CABIN STD S/D CABIN S/D+CABIN
Front tire size 18x7-8 ← ← ← 18x7-8 ← ← ←
Rim size 4.33R-8 ← ← ← 4.33R-8 ← ← ←
Rim type SIT ← ← ← SIT ← ← ←
Vehicle models 8FBET16 8FBEKT18
Front tire size 18x7-8 ← ← ← 18x7-8 205/50-10 ← ←
Rim size 4.33R-8 ← ← ← 4.33R-8 6.50F-10 ← ←
Vehicle models 8FBET18 8FBET20
Front tire size 205/50-10 ← ← ← 205/50-10 ← ← ←
Rim size 6.50F-10 ← ← ← 6.50F-10 ← ← ←
Vehicle models 8FBMT15 8FBMT16
Front tire size 18x7-8 ← ← ← 18x7-8 ← ← ←
Rim size 4.33R-8 ← ← ← 4.33R-8 ← ← ←
Vehicle models 8FBMT18 8FBMT20
Front tire size 205/50-10 ← ← ← 205/50-10 ← ← ←
Rim size 6.50F-10 ← ← ← 6.50F-10 ← ← ←

6-5
1
1
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9
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16
17
18
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20
21
E
DRIVE UNIT ASSY
REMOVAL·INSTALLATION
T=N·m (kgf·cm) [ft·lbf]
Removal Procedure
1. Jack up the vehicle and remove the front wheels. [Point 1]
2. Drain the gear oil. [Point 2]
3. Remove the front axle hub. [Point 3]
4. Remove the drive unit ASSY.
Installation Procedure
The installation procedure is the reverse of the removal procedure.
Type and quantity of gear oil:
Type of grease:
Type
STD
ATF type T-4
Cold storage type
Quantity 0.43 l (0.11 US gal)
STD
MP grease
Cold storage type
4
3
25 (255) [18.4]
30 to 45
(306 to 459)
[21.3 to 33.2]
117.6 to 196
(1,200 to 2,000)
[86.8 to 144.7]

6-6
6-6
Point Operations
[Point 1]
Removal:
Always jack up the vehicle at the jack-up point. Jacking up the
vehicle at other location is very dangerous.
Always support the load of jacked-up vehicle with wooden
blocks at specified points.
[Point 2]
Installation:
After installation, fill hypoid gear oil till the specified level.
A=10 mm (0.39 in) or less
[Point 3]
Removal:
SST 09950-76014-71 (09950-40011)
Inspection:
Measure the front axle hub starting force.
[Point 4]
Installation:
For installation, apply gasket sealant to the mating face with
the drive unit. Be sure to remove the grease on the face.
Selant: 08826-76002-71 (08826-00080)
A
SST
Models Standard
8FBET, 8FBMT
27.2 to 62.9 (2.8 to 6.4)
[6.0 to 14.1]

6-7
DISASSEMBLY·INSPECTION·REASSEMBLY
T=N·m (kgf·cm) [ft·lbf]
Disassembly Procedure
1. Remove the front axle hub. (See page 6-5)
2. Remove the mission cover.
3. Remove the internal gear. [Point 1]
4. Remove the idle gear bearing. [Point 2]
5. Remove the planetary gear. [Point 3]
6. Remove the axle shaft bearing. [Point 4]
7. Remove the front axle hub bearing. [Point 5]
8. Remove the coller. [Point 6]
9. Remove the outer race and inner race. [Point 7]
Reassembly Procedure
1. Install the idle gear bearing. [Point 8]
2. Install the planetary gear.
3. Install the axle shaft bearing. [Point 9]
4. Install the internal gear.
5. Measure the backlash of planetary gear. [Point 10]
6. Install the outer race and inner race. [Point 11]
7. Install the outer seal. [Point 12]
8. Install the axle hub. [Point 13]
9. Install the axle shaft. [Point 14]
10. Install the coller. [Point 15]
11. Adjustment preload torque of axle hub. [Point 16]
12. Staking of axle lock nut. [Point 17]
13. Install the axle hub cap. [Point 18]
14. Install the drive unit ASSY. (See page 6-5) [Point 19]
4
4
3
5
1
8
7
9
2
9
6
25 (255) [18.4]
30 to 45
(306 to 459)
[21.3 to 33.2]

6-8
6-8
Point Operations
[Point 1]
Disassembly:
Use the SST to remove the internal gear.
SST 09950-76014-71 (09950-40011) ........ (1)
09950-76019-71 (09950-60020) ........ (2)
[Point 2]
Disassembly:
1. Use the SST to remove the inner bearing.
SST 09950-76014-71 (09950-40011) ........ (1)
09950-76018-71 (09950-60010) ........ (2)
2. Use the SST to remove the outer bearing.
SST 09950-76014-71 (09950-40011) ........ (1)
09950-76018-71 (09950-60010) ........ (2)
[Point 3]
Disassembly:
Use the SST to remove the planetary gear.
SST 09905-76002-71 (09905-00012)
[Point 4]
Disassembly:
Use the SST and hand press to remove the axle shaft bearing.
SST 09420-23002-71
SST (1)
SST (2)
SST (2)
SST (1)
SST (2)
SST (1)
SST
SST

6-9
[Point 5]
Disassembly:
Use the SST and hand press to remove the axle hub bearing.
SST 09420-23002-71
[Point 6]
Disassembly:
Use the SST to remove the coller.
SST 09700-30200-71
[Point 7]
Disassembly:
1. Use the SST to remove the outer race.
SST 09700-30200-71
2. Use the SST to remove the inner race.
SST 09700-30200-71
SST
SST
SST
SST

6-10
6-10
[Point 8]
Reassembly:
1. Use the SST to install the inner bearing.
SST 09411-41800-71
2. Use the SST to install the outer bearing.
SST 09223-76005-71 (09223-46011)
[Point 9]
Reassembly:
Use the SST to install the axle shaft bearing.
SST 09410-26600-71
[Point 10]
Inspection:
Measure the backlash of the planetary gear, idle gear and ring
gear.
Standard: 0.2mm (0.008 in.) or less
SST
SST
SST

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6-11
[Point 11]
Reassembly:
1. Use the SST to install the inner race.
SST 09331-13240-71................................. (1)
09950-76020-71 (09950-70010) ........ (2)
2. Use the SST to install the outer race.
SST 09331-13240-71................................. (1)
09950-76020-71 (09950-70010) ........ (2)
[Point 12]
Reassembly:
Use the SST to install the oil seal.
SST 09700-30200-71
Note:
Drive in an oil seal up to the position shown in the figure on
the left.
Standard A: 3.5 ± 0.5 mm (0.14 ± 0.02 in.)
SST (2)
SST (1)
SST (2)
SST (1)
SST
A

6-12
6-12
[Point 13]
Reassembly:
Before mounting the axle hub, apply MP grease to the portions
shown in the figure.
SST 09420-13130-71
Note:
Be careful not to allow SST to touch the inner or outer race of
the bearing.
1. Use the SST and hand press to install the axle hub.
SST 09420-13130-71................................. (1)
09950-76019-71 (09950-60020) ........ (2)
[Point 14]
Reassembly:
1. Before mounting the axle hub, apply MP grease to the portions
shown in the figure.
2. Install the washer and hub nut.
[Point 15]
Reassembly:
1. Use the SST to Install the coller.
SST 09700-30200-71
Standard A: 0.5 mm (0.02 in.)
MP gease
SST
SST (2)
SST (1)
MP gease
SST
A
+0
- 0.5
+0
- 0.02

6-13
[Point 16]
Inspection:
1. Tighten the hub nut to 36.5 N·m (372 kgf·cm) [27 ft·lbf].
2. Turn the hub nut 4 or 5 turns to break in the bearing.
3. Tighten the hub nut to 215 N·m (2,193 kgf·cm) [159ft·bf].
4. Turn the hub nut 4 or 5 turns to break in the bearing.
5. Measure the starting power with a spring scale. Adjust the hub
nut to bring the starting power into the standard range.
Standard: 27.2 to 62.9 N (2.8 to 6.4 kg) [6.17 to 14.1 lbf]
Note:
• Perform these measurements without mounting either the
internal gear or the retainer.
• If the starting power is outside the standard range, make
an adjustment with a shim.
• When loosing the hub nut, first loose it a little more than
necessary by hammering the hub lightly, and then turn it
in the tightening direction to adjust the tightness.
[Point 17]
Reassembly:
Caulk the hub nut with a pin punch and a chisel.
Limit: A: 1mm (0.04 in.) or less
B: Approx. 5 mm (0.2 in.)
Note:
To avoid cracking, bend the edge carefully around the corner.
[Point 18]
Reassembly:
1. Apply MP grease to the portions shown in the figure.
2. Press-fit the hub cap to the position shown in the figure.
Limit A: 0.5 mm (0.02 in.)
[Point 19]
Installation:
For installation, apply gasket sealant to the mating face with
the drive unit. Be sure to remove the grease on the face.
Selant: 08826- 76002-71 (08826-00080)
Note:
• Be sure to apply grease from the starting point in the
direction shown by the arrow.
• Pay attention to not dirty the screws with red paste.
B
A
A
MP grease
+0
- 0.5
+0
- 0.02

TOYOTA 8FBMT20 Forklift Service Repair Manual.pdf

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