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Disassembly 

3-15-25-36
Motor assembly [15] can be easily remove from gearcase assembly [25] by removing screws [3] 
and loosening two screws [36] from the motor ball bearing [18] area of gearbox [25]

5 - 43
Before separating housing set [43] carefully cut thru the center of warning label [5] following the 
seam of the housing halves

Reassembly

15 - 17 -25
When reinstalling motor assembly [15] into gearcase assembly [25] make sure alignment pin side 
of motor mounting plate [17] faces top of Gearcase assembly [25] (Fig. A)

29 -38
Press spindle guide pin [38] fl ush to outside casting of right gearcase [29]

20 - 23 - 45
When reassembling switch assembly [20 / 23] into left motor housing half [45], place LED into 
housing fi rst then position LED wiring into housing wire traps as shown in (Fig. B)

23 - 45 - 48
For proper back and forth movement of shuttle [48] PCB [23] must be inserted into left housing 
half [45] support slots as shown in (Fig. C)

Pin
      Top of Gearcase

LED

LED 
Wire 
Traps

Switch Assembly

[20, 23]

Left Housing
Half [45]

Lines on 

PCB

Support 

Slots

Shuttle [48]

Fig. A

Pin

Motor
Mounting
Plate

Motor Mount 
Alignment Pin 
orientation to 
Gearcase Assembly 

Fig. B

Fig. C

PCB Support slots found in Left 
Housing Half must align with 
lines on PCB for proper shuttle 
movement

Summary of Contents for Hackzall 2420-20

Page 1: ...TOR S MANUAL AFIN DE R DUIRE LE RISQUE DE BLESSURES L UTILISATEUR DOIT LIRE LE MANUEL DE L UTILISATEUR PARA REDUCIR EL RIESGO DE LESIONES EL USUARIO DEBE LEER EL MANUAL DEL OPERADOR 12 VOLT HACKZALL R...

Page 2: ...such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries Prevent unintentional starting Ensure the switch is in the off posi...

Page 3: ...tool accidentally Store idle power tools out of the reach of chil dren and do not allow persons unfamiliar with the power tool or these instructions to operate the power tool Power tools are dangerous...

Page 4: ...clamp until the tang butts against the collar 2 Release collar and the spring loaded mechanism will clamp the blade firmly in place 3 Twist collar in the opposite direction of the ar row to ensure tha...

Page 5: ...tool grasp the handle firmly and pull the trigger An LED is turned on when the trigger is pulled To vary the speed increase or decrease the pres sure on the trigger The further the trigger is pulled...

Page 6: ...Repairs For repairs return the tool battery pack and char ger to the nearest service center listed on the back cover of this operator s manual Every only to repair o to be d the ele Branch for this t...

Page 7: ...itial 1000 Charges 2 Years free replacement warranty This means that for the earlier of the first 1000 charges or two 2 years from the date of purchase first charge a replacement battery will be provi...

Page 8: ...kzall STARTING SERIAL NO DATE Nov 2008 WIRING INSTRUCTION B56A EXAMPLE Component Parts Small Are Included When Ordering The Assembly Large 0 00 SEE REVERSE SIDE FIG LUBRICATION Type Y Grease No 49 08...

Page 9: ...pindle guide pin 38 flush to outside casting of right gearcase 29 20 23 45 When reassembling switch assembly 20 23 into left motor housing half 45 place LED into housing first then position LED wiring...

Page 10: ...ES WHEN ASSEMBLING REMOVING THE STEEL QUIK LOK BLADE CLAMP Remove external retaining ring 12 and pull front cam 9 off Pull lock pin 14 out and remove remainder of parts and discard REASSEMBLY OF THE S...

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