YAMADA VO-8 User manual

Doc. No. OSA 043U-02

VOLUME BUKCET PUMP

VO-8 MODEL No.880132

WARNING

Prior to operating this pump, be sure to read this operation manual for safety. After reading the manual, please

keep it at hand any time for your quick reference.

INSTRUCTION

Preface

This instruction manual describes how to use this product properly and what care should be

taken, intended that it will serve you well without fault.

Before reading the manual, never operate the product.

Read precautions carefully. Keep this manual handy.

If you find any questions, doubts, or problems in our products, contact our distributors from which

you made a purchase or our sales offices described on the back of this manual.

If this instruction manual or caution labels are damaged or lost, buy other ones from which you

made a purchase. Save this manual and affix the labels properly.

Contents

1. Purpose of use ········································································ 2

2. Warning / Caution ···································································· 2

2-1.Definition of warning and caution ············································ 2

3. Precautions ············································································ 2

4. Name of each section ······························································· 3

4-1.Packing············································································· 3

5. Preparation before use ···························································· 4

6. How to use ············································································· 5

7. Maintenance and Inspection ····················································· 6

7-1. Inspection of malfunctions and troubleshooting ························· 6

7-2. Maintenance and Inspection ··················································· 6

7-3. Disassembly and Assembly······················································ 6

7-4.Exploded parts view / Parts list ··············································· 8

8. Specifications ········································································ 9

9. Limited Warranty ···································································· 10

1. Purpose of use

This machine is a pump to supply oil, in particular, high-viscosity oil to construction machines by

using a lever type manual pump. It cannot be used for grease. The machine can keep a large

quantity of oil in its cabinet and is most suitable for lubrication work in an outdoor place where no

compressor is available. The oil supply port base is a button head type that permits quick and

sure lubrication.

2. Warning / Caution

2-1.Definition of warning and caution

WARNING

The following definitions and warning indications are given to specify "warning" and "caution" in

this instruction manual.

A warning indication is indispensable to your safe work.

Be sure you understand these indications well before use since the important items to prevent

personal injury and physical damage are described on it.

Warning: Given when it is assumed that mishandling may cause death or serious injury.

Caution: Given when it is assumed that mishandling may cause injury and physical

damage.

*NOTE

：

The above labels are intended to improve efficient operation and perform device

maintenance.

3．Precautions

WARNING

- Some types of oil to be used may contain carcinogens. Read the precautions provided by oil

manufacturer thoroughly and handle the oil with care.

- Gasoline is a high-volatility fuel. Do not use it to clean the pump in any case. Otherwise,

ignition or explosion may be caused.

CAUTION

- This machine is a pump for high-viscosity oil. The machine cannot be used for gasoline, light

oil, kerosene, and other solvents.

For your safe use

A warning label is affixed on this product and with which precautions are described to call

attention to your safe use.

Never fail to observe precautions to prevent any personal injury, physical damage, and accidents

Be sure to observe warning and caution described below since they are very important.

CAUTION

WARNING

4．Name of each section

4-1 Packing

The main devices and accessories of this machine are packaged in respective corrugated

fiberboard cases. Open the upper part of each corrugated fiberboard case and check the pump

assembly and oil tank for damage, and also check whether the package includes all the

accessories.

Pump Assy

Nipple

Cove

Wing Bolt

Check Valve

Delivery Hose

Coupler

5. Preparation before use

1) Install the attached oil resisting hose at the oil

discharge port of the pump assembly. Screw the

hose completely by hand and tighten it with a spanner

so that it may not loosen.

2) Loose the 2 left and right thumbscrews that fix the

top-surface cover of the oil tank. Then, shift the

cover toward the right. (Fig. 1)

3) Wipe the inside of the oil tank with a clean waste cloth

and change the applied oil. Take care not to mix

sand or dust in the oil.

4) Return the cover to their initial positions and tighten the

thumbscrews of the cover.

5) Tighten the check valve provided on the right side of

the pump and operate the handle up/down to bleed air

in the pump and hose.

Continue this operation until oil is discharged from the

base. (Fig.2)

Fig.1

Fig.2

6. How to use

1) Wipe the base and the opposite oil supply port base with a clean waste cloth.

2) Adjust the base groove to the oil supply port base and set it securely by sliding.

Note that oil leakage may occur if this set status is incomplete.

3) Tighten the check valve. If the check valve is loose, the pressure cannot be increased.

4) Step on the footboard so as not to move the oil tank and operate the handle up/down slowly to

supply oil.

5) After completion of the oil supply, loosen the check valve to bleed the internal pressure of the

pump and hose. Then, remove the base from the oil supply port base.

CAUTION

If the base is removed from the oil supply port base before the check valve is loosened, oil will be

discharged from the pump and hose, thereby contaminating the surroundings.

6) After completion of lubrication for all positions, loosen the check valve to bleed the internal

pressure of the pump and hose, and hang the base on the base hanger without being

contaminated.

CAUTION

- When operating the handle, do not insert the hand into a clearance between the handle and the

handle stopper. An unexpected injury may be caused by nipping.

7. Maintenance and Inspection

7-1. Inspection of malfunctions and troubleshooting

Symptom Cause

Contents of inspection and

corrective measure

Oil does not come out by

operating the handle.

Check whether the check valve is

closed.

- Check whether oil is used up.

Check the check valve.

Check and replenish.

Oil comes out but the pressure

or flow rate is insufficient.

- The valve is clogged with dust.

-The plunger packing is

worn away.

Check and clean the valve.

Check and replace.

Oil comes out from the top of

the gland.

- The gland packing is

worn away.

Tighten and replace with a

new one.

7-2. Maintenance and Inspection

* The hose is a consumable part. Check it periodically. If any flaw or leak is found, replace it a

little early.

7-3. Disassembly and Assembly

[Disassembling and inspecting the suction section]

1) Unscrew the oil resisting hose to remove it.

2) Loosen the pan-head screws that fix the pump unit on the oil tank and take out the pump

assembly from the oil tank. At this time, the ball spring provided between the pump unit and

hose hanger will jump out. Take care not to lose it.

3) Fix the main unit on the vice.

4) When the suction tube is loosened with a pipe wrench set on this tube, it can be separated

from the main unit.

5) Fix the suction tube on the vice and unscrew it with the pipe wrench set on the valve adapter.

WARNING

Gasoline is a high-volatility fuel. Do not use it to clean the pump in any case. Otherwise,

ignition or explosion may be caused.

Then, the valve can be taken out.

6) Next, fix the lot on the vice and unscrew it with a spanner set on the ball sheet. Then, the

arm-shaped packing, ball, and spring can be taken out. Clean and check each part. If any

flaw or abrasion is found, replace it with a new one. In particular, check the sheet surfaces of

the valve and ball carefully.

7) After checking and replacement, assembly parts as they were taking care about the direction

of each part. For assembly, reverse the disassembly procedure.

No. 部品番号部品名称員数

1 830261 Oil Tank Assy 1

2 770324 Packing 1

3 610619 Wing Bolt 2

4 703146 Knob 1

5 703147 Cover 1

6 602300 Screw 4

7 770325 Packing 1

8 695056 Delivery Hose 1

9 800772 Coupler 1

10 830139 Check Valve 1

11 703148 Nipple 1

12 703149 Lever 1

13 830264 Lever Support Assy 1

14 703159 Body 1

15 680608 Snap Pin 3

16 703574 Pin 2

17 703580 Pin 1

18 580994 Gland 1

19 701755 Washer 1

20 770333 Picking 2

21 707207 Rod 1

22 704833 Suction tube 1

23 703153 Plunger 1

24 770326 L-packing 1

25 703152 Valve Spring 1

26 630321 Ball 1

27 703154 Washer 1

28 703155 Ball Seat 1

29 704835 Washer 1

30 703158 Valve 1

31 704834 Valve Adapter 1

32 631012 Washer 3

No. 部品番号部品名称員数

1 703469 Cap 1

2 703000 Washer 1

3 770311 Packing 1

4 703001 Washer 1

5 703002 Spring 1

6 772676 Packing 1

7 830352 Valve Adapter 1

8 703006 Spring 1

9 703007 Wsaher 1

10 770312 L-Packing 1

11 703470 Union 1

12 703008 Cap Nut 1

7-4. Exploded parts view / Parts list

880132 VO-8

800772 Coupler

8.Specifications

Pump

number Discharge volume* Exhalation pressure*

850348 20CC / 1 stork 2MPa

The mark * denotes a reference value when machine oil #160, accessory hose, and accessory

base are used.

Product

number Model Capacity Height Weight Accessory

880132 VO-8 8L 477mm 5.0kg

695056 Delivery Hose 1

800772Coupler 1

This manual suits for next models

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