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MAINTENANCE

DESCRIPTION OF SYMBOLS

CARING FOR THE ENVIRONMENT

TROUBLE SHOOTING

Power tools that are no longer usable should not be disposed of 

with household waste but in an environmentally friendly way. Please 

recycle where facilities exist. Check with your local council authority 

for recycling advice.

Recycling packaging reduces the need for landfill and raw materials. 

Reuse of recycled material decreases pollution in the environment. 

Please recycle packaging where facilities exist. Check with your 

local council authority for recycling advice.

V

Hz

~

W

/bpm

 

ø

 /min 

 

 

n

 

Volts

Alternating current

Revolutions or 

reciprocation per minute

Impact rate

Double insulated

Warning

Hertz

Watts

No load speed

Diameter

Regulator compliance mark

•  Keep the ventilation vents of the drill clean at all times.
•  After each use, blow air through the drill housing to ensure it is free from all 

dust particles which may build up. Build up of dust particles may cause the 

drill to overheat and fail.

•  If the enclosure of the drill requires cleaning, do not use solvents but a moist 

soft cloth only. Never let any liquid get inside the drill; never immerse any part 

of the drill into a liquid.

Gear Box Grease Replenishment

The grease in the gearbox will require replenishment after approximately 50 

hours accumulative use. After this time, add approximately 50 grams (approx 

2 – 3 teaspoons) of the grease (supplied), into the gearbox. First remove 

the grease cap from the drill by using the pin spanner. Once removed, add 

the grease through this hole. Ensure the grease cap is secured back into 

position prior to operation. Further grease (normal ball bearing grease) can be 

purchased through your local Bunnings Warehouse.

Carbon Brushes

When the carbon brushes wear out, the drill will spark and/or stop. Discontinue 

use as soon as this happens. They should be replaced prior to recommencing 

use of the drill. Carbon brushes are a wearing 

component of the drill therefore not covered under 

warranty. Continuing to use the drill when carbon 

brushes need to be replaced may cause permanent 

damage to the drill. Carbon brushes will wear out 

after many uses but when the carbon brushes 

need to be replaced, take the drill to an electrician 

or a power tool repairer for a quick and low cost 

replacement. Always replace both carbon brushes at the same time.

Note: Ozito Industries will not be responsible for any damage or injuries caused 

by the repair of the drill by an unauthorised person or by mishandling of the 

drill.

Brush Holder (pair)   

SPRHD4100-81

Carbon Brush (pair)  

SPRHD4100-82

Brush Cap  

 

SPRHD4100-83

Switch 

 

  SPRHD4100-75

Spare parts can be ordered from the Special Orders Desk 

at your local Bunnings Warehouse. 
For further information, or any parts not listed here, visit 
www.ozito.com.au or contact Ozito Customer Service: 
Australia 1800 069 486 
New Zealand 0508 069 486 
E-mail: [email protected]

SPARE PARTS

Problem

Cause

Remedy

Rotary Hammer 

Drill is not working

No power supplied

make sure all plugs are 

connected and power 

outlet is in working order

Mode Selectors in wrong 

position.  

Chisel Function will not 

engage is mode selectors 

are as shown below

Please refer to 

‘Operating The Hammer 

Drill’ section in the 

manual.

Hammer Function 

Not Engaging

Excess grease has been 

packed

Insert SDS+ accessory 

and then set both the 

modes to hammer 

function. Turn the 

drill on, firmly tap the 

accessory bit up and 

down onto a scrap piece 

of material to activate.

Motor brushes binding in 

brush holders.

Clean brush holders. 

Remove carbon dust by 

using compressed air to 

blow out brush dust

Excessive 

sparking visible 

through air vents

carbon brushes have 

worn out

replace carbon brushes 

as per maintenence 

section.

Summary of Contents for 850W

Page 1: ...NUAL SPECIFICATIONS Motor 850W Impact Rate 3 000 bpm Impact Energy 3 8 Joule Accessory Fitment SDS Drilling Capacities Timber 40mm Steel 13mm Masonry 28mm RHD 4100 WHAT S IN THE BOX Kit Box Rotary Hammer Drill Side Handle Accessories ozito com au ...

Page 2: ...just the depth rod so the drill bit extends beyond the end of the depth rod to the required drilling depth 1 SDS Accessory Holder 2 Accessory Locking Sleeve 3 Magnesium Gear Case 4 Depth Rod Locking Hole 5 Side Handle 6 Side Mode Selector 7 Grease Cap 8 Rear Mode Selector 9 On Off Switch 10 Soft Grip Rear Handle HAMMER DRILL 11 Depth Rod 12 3 x SDS 150mm Drill Bits 13 1 x SDS Flat Chisel 14 x 250m...

Page 3: ...ck and hold 5 Rotate and continue to insert as far as possible 7 Checked SDS accessory is locked Try to pull it out Note It should have approx 10 20mm movement This is normal 2 Prior to insertion into drill add supplied lubricant to the SDS accessory 4 Insert SDS Accessory 6 Release locking sleeve 8 To remove the SDS accessory pull back the locking sleeve and pull accessory out Accessory SDS The c...

Page 4: ...l bit rotates Chiselling Rotate the side mode selector to the hammer icon and rotate the rear mode selector to the drill and hammer icon This setting is recommended for use when you desire a hammer action without the accessory rotating which is ideal for chiseling or chipping away at masonry products pick or chisel accessory bits should be used Drilling Rotate the side mode selector to the hammer ...

Page 5: ...t the drill will spark and or stop Discontinue use as soon as this happens They should be replaced prior to recommencing use of the drill Carbon brushes are a wearing component of the drill therefore not covered under warranty Continuing to use the drill when carbon brushes need to be replaced may cause permanent damage to the drill Carbon brushes will wear out after many uses but when the carbon ...

Page 6: ...e If you have any further questions please contact Ozito Customer Service on Australia 1800 069 486 New Zealand 0508 069 486 enquiries ozito com au The following is a list of spare parts carried by Ozito Please contact Customer Service for any parts not listed 1 2 3 4 5 6 5 7 8 9 10 11 10 12 13 14 15 16 17 18 19 20 21 18 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 37 38 39 38 40 41 42 44 43 45...

Page 7: ...arnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference The term power tool in the warnings refers to your mains operated corded power tool or battery operated cordless power tool 1 Work area safety a Keep work area clean and well lit Cluttered or dark areas invite accidents b Do not operate power tools in explosive a...

Page 8: ...l is disassembled or tampered with in any way WARRANTY TO ENSURE A SPEEDY RESPONSE PLEASE HAVE THE MODEL NUMBER AND DATE OF PURCHASE AVAILABLE A CUSTOMER SERVICE REPRESENTATIVE WILL TAKE YOUR CALL AND ANSWER ANY QUESTIONS YOU MAY HAVE RELATING TO THE WARRANTY POLICY OR PROCEDURE OZITO Australia New Zealand Head Office 1 23 Letcon Drive Bangholme Victoria Australia 3175 The benefits provided under ...

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