TOHO HSZ-0.25 Technical manual

TOHO CHAIN BLOCK & RIGGING MFG. CO., LTD.
TUV
SUD
ALUMINUM CHAIN BLOCK
OPERATION INSTRUCTION
Please read the manual carefully before use

Application
With compacted design and enclosed body, this hoist is made of Aluminum,
has very light weight, easy to carry and widely be used in home, factory, filed
construction, agriculture, warehouse and so on for lifting and small equipment
installation purpose. It is also widely used in chemically industry and marine
industry where anti-corrosion properity required.
Features and Advantages
1.Compacted design, light weight, easy to carry.
2.Made of Aluminum alloy, safe and reliable with strong metallic visual sense.
3.Two-stage carburizing and quenching gear, high mechanical transmission
efficiency and durability
4.Double pawl brake system providing more safety
5.Special heat treated flexible hook, can be stretched, but will never break
6.Galvanized load chain and hand chain with high brightness.
Precaution
1.Do not pull chain inclinedly
2.Do not operate hoist over the rated load
3.Do not pull hoist other than manpower
4.Before use, check hoist and be sure no damage, gears and load chain are
well lubricated, no load operation works well.
5.Before lift, check and be sure the hoist has been well hooked and connected
with the object to move, hook latch be well closed, chain is vertical, no twisted
link, no kinked links
6.Operator should stand on hand wheel side, pull the chain to rotate wheel
clockwise for lift purpose. Change the direction to down loads slowly
7.Never lift people or load over people to avoid personal injury
8.Pull the chain uniform and gentle, do not give too much force to avoid chain
link jump or block
9.Stop operation if pulling effort is much larger than rated force to avoid inside
structure damage that may lead to loads falling
10.Detach hoist hook only when loads down to floor safely
11.After use, handle hoist gently, lubricated and keep in dry, ventilate area
Maintenance
1. Clean hoist after each use, keep in dry area to avoid rust and corrosion
2. Properly clean and lubricate the gear and bearing according to the usage
frequency
3. When assembly hoist, be sure the “0”mark on small gears well aligned and
on same line
4. When assembly brake system, be sure the ratchet gear teeth well
engaged with pawl spring tip. Pawl spring can control pawl sensitively. After
put on hand wheel, rotate wheel clockwise and press ratchet gear and brake
pad tightly on the brake disc. Rotate the hand wheel anticlockwise, there
should be small gap between wheel, ratchet gear and brake pad.
5. Never disassemble hoist by unqualified person
6. After each clean and maintenance, the hoist should be tested under no
load and under rated load for any new operation purpose.
7. During lubrication or operation, the brake disc should keep clean and
check frequently to be sure the brake system works well
P1

A
C (min)
B
D
E
Data sheet
P2
HSZ-0.25
t
m
kN
mm
kg
kg
N
Model
Capacity
Standard lift
Running test load
Effort required to lift rated load
Strands of load chain
Diameter of load chain
A
B
C
D
E
Net weight
Extra weight per metre of Extra lift
Dimensions
(mm)
0.25
2.5
3.75
160
3.2
1
87
84
245
21
32
2.14
0.62
HSZ-0.50
0.5
2.5
7.5
200
4
1
98
103
285
23
35
3.85
0.75

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
26 27 28 29 30 31 32 33 34 35
Explosion View
P3

Part List
Code
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Parts Description
Stainless steel bolt
Spring Washer
Rivet
Nameplate
Gear Side Cover
Short axis seat
Small gear
Main axis
large gear
Side plate
Bearing seat
Load chain pocket
Cover
Upper hook pin
Upper hook holder
Brake hub
Small gear
Ratchet gear
Spring washer
Pawl pin
Pawl
Axial retaining ring
Hand chain wheel
Main axis nut
Hand chain side cover
Bottom hook pin
Bottom hook holder
Hook pin nut
Load chain
Stripper
Chain Stop
Chain Stop Pin
Chain stop pin
Plug
Hand chain
Quantity
10
10
4
1
1
1
2
1
1
1
2
1
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
P4

MAINTENANCE NOTES
TOHO CHAIN BLOCK & RIGGING MFG. CO., LTD.