ENGINE DRIVEN DRILL
WORKSHOP MANUAL
PAGE 1
ACN 000 583 924
STEP 1
View after removing
handles and LH
Casing Fig. 2
Fig. 2
STEP 2
Lift out clutch drum
and spur gear
assembly
Fig. 3
STEP 3
Lift out spur drive
gear and pinion
assembly
Fig. 4
STEP 5
Lift out main drive
gear assembly
Fig. 6
STEP 4
Lift out pinion and
spiral crown gear
assembly
Fig. 5
Thoroughly
clean all parts
Fig. 3
Fig. 4
Fig. 5
Fig. 6
Remove
all screws
as shown
MANUAL 778
Atom products, including developments of AIRLIFT ® and BLOWMASTER® blowers, blower anti-vibration handle system,
SMARTFAN
®
impellers, and DRILLMASTER® engine powered drills with automatic reverse gear and rotary throttle control, are
extensively protected by many Patents Pending, Patents, Registered Designs, and Registered Shapes and many Trade Marks including
Atom Trade Mark 1,463,4000. Additionally, US Patent No. 8,210,272-B2 tiller construction also covers and protects Atom Lawn
Edger construction.
Registration No. 1470990 is a REGISTERED SHAPE of the Atom Lawn Edger consisting of three dimensional shape of lawn edgers
having a ground engaging wheel supporting a motor or engine and a pair of handles in a wheelbarrow-like configuration.
STEP 1
STEP 2
STEP 3
STEP 4
x11
x11
Fig. 1
Atom Engine Drill: Inspect – Clean – Repair – Assemble
PAGE 2
2. Lift Drum and spur gear shaft out of casing. To replace Drum,
hold tightly in gloved hand and spin off clutch nut in left hand
rotation (normal RH thread) with air ratchet Fig. 7.
To reassemble fit clutch hub, drum, washer and screw nut up
fully by hand.
Washer under nut must fit over and around
clutch rib spigot.
! NOTE
Spur gear and shaft replaced as on assembly
as in Fig. 3.
! NOTE
3. To repair drive and pinion gears, remove 6mm screw. Slide
parts off. Replace parts if required. Fig. 8.
To remove pinion hold shaft in vice fitted with soft jaws (use
two pieces aluminium angle) and remove pinion in right
hand rotation (left hand thread). Fig. 9.
4. To replace pinion or spiral crown gear assembly, hold outer
gear diameter in vice with soft jaws and remove nut in left
hand (normal RH thread) rotation. Fig. 10.
5. To replace gears, bearings, clutch dogs, place rear end dog
clutch vertically in a strong vice (Fig. 11) fitted with soft jaws
or use two pieces of aluminium angle.
Remove locking collar, insert 12mm bar through grub screw
hole as shown in Fig. 11. Turn shaft clockwise (LH thread) to
remove clutch dog. Slide off all parts and inspect. Replace as
required. Reverse process to assemble.
6. To remove front gear dog, place shaft in vice (Fig. 12) and
tap counter clockwise (normal RH thread).
Clean all parts before reassembly. To assemble reverse above
procedure. Re-assemble in (reverse) sequence of Fig. 6, 5, 4,
3 and 2. Thoroughly grease all parts and pack about 30cc of
grease in and around all gear teeth. Install 2 casings rubber
gaskets, place top casing on, use 4-5 screws to hold together
then check gears turn smoothly. Complete final assembly.
Fig. 12
Fig. 7
Fig. 9
Fig. 8
Fig. 10
Fig. 11
Tighten nut by holding drum with gloved hand and air ratchet
drive (right hand rotation).
For engine explosions and Parts list, visit
our website: www.atomindustries.com
Go to Find Parts, Order & Service Info page and
enter the engine model number. Refer to Parts List attached.
! NOTE
Atom Industries is a division of Solo Industries Pty Ltd – an Australian owned company that invents, designs and manufactures unique
and outstanding products for local tough and hard Australian conditions with a history of international award winning gold medals,
great backup and service since 1961. Atom has a policy of continuous product improvement and development and reserves the
right to modify the design and appearance of products without notice.
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