Macnaught B2-01 Manuale utente
BJ31 Issue 18 © 2017 Page 1 of 4
INSTRUCTION MANUAL
(Available with Optional Trigger Guard)
Introduction
2-01 & 2-SG OOSTER GUN
Product Specifications
Important Information
PLEASE READ THIS SAFETY INFORMATION
CAREFULLY EFORE USE.
Read and retain this instruction manual to assist you
in the operation and maintenance of this product.
‘CAUTIONS’ are listed throughout this manual to
advise of actions that may cause damage to your
equipment.
Operation
Product Description
Shown with optional trigger guard
Thank you for purchasing either a Macnaught Model
B2 or B2-S Booster un.
The Macnaught B2 Booster un is a high pressure
hose end dispensing gun designed for use with air
operated greasing systems such as the Macnaught
Powerlube and Maxilube model grease pumps.
The Booster un includes a 360 deg Z swivel
assembly and incorporates a booster mechanism
which allows the user to boost the greasing
pressure up to 69MPa / 10,000 psi / 690 Bar when
required.
1) Ensure that the gun coupler is securely positioned
onto the grease nipple (zerk).
2) Squeeze the trigger mechanism to allow grease to
be dispensed into the grease nipple (zerk).
3) If no grease flows because of a seized nipple
(zerk), pull the trigger several times. Each squeeze
of the trigger increases (boosts) the greasing
pressure until grease flows.
Disconnect the air supply before servicing
Grease is being dispensed at high pressure.
Keep your hands away from the nipple (zerk) /
coupler connection at all times.
CAUTION
4) To remove the coupler from the nipple (zerk), tilt
the gun to relieve the pressure and then twist and
pull the gun to disconnect from the nipple (zerk).
WARNING
Application Lubrication grease up to NL I
No. 2 Viscosity
Maximum Wor ing
Pressure
12,000 psi
82,737 kPa
827 Bar
Connections ¼” NPT (F) Z Swivel Assembly
Approximate
Weight
0.75 kgs
1.5 lbs
Includes m odels
B2-01
B2-1S K
B2-S
BJ31 Issue 18 © 2017 Page 2 of 4
Troubleshooting Guide
Problem Possible Cause Remedy
Booster fails to boost Contaminant under the non-
return valve body (5) ball seat.
Unscrew the extension tube (9) from the non-
return valve body (5).
Remove items 8, 7, 6 and 5. Clean all parts and
reassemble.
Contaminant under the valve
sear in the inlet body (14).
Unscrew the inlet body (14) from the gun body
(11). Unscrew the valve, insert (8). Remove the
valve spring (7) and steel ball (6). Clean the ball
seat and reassemble.
un leaks continuously
from the coupler
Incorrect trigger setting. Loosen the locknut (17) and screw the plunger
adjusting screw (18) out until the trigger has free
play.
Contaminant under ball (12) or
bent plunger (2)
Unscrew the inlet body (14) from the gun body
(11).
Unscrew the extension tube (9) and swing the
trigger away, then remove the plunger guide bush
(1), plunger (2), backup washer (3) and plunger
o-ring (4).
This will enable the ball (12), ball support (16) ball
spring (13) and guide spring (15) to be removed
from the gun body (11).
Inspect, clean and replace all parts using a new
plunger guide bush (1).
Note: Apply teflon tape (or thread sealant) to the
extension tube (9).
rease leaks past the
plunger
Plunger O-Ring (4) damaged. Remove the extension tube (9), swing the trigger
(22) away, and remove the plunger guide bush (1)
plunger (2) backup washer (3) and plunger o-ring
(4).
Inspect, clean and replace all parts using a new
plunger o-ring (4) and plunger guide bush (1).
Note: Apply teflon tape (or thread sealant) to the
extension tube (9).
BJ31 Issue 18 © 2017 Page 3 of 4
1
2
3
4
5 6
7
8 9 10
14
15
16
17 18
11
12
19
20
21
22
28
13
23
24
25 26
27
21
19
20
6
7
8
Spare Part Diagram Spare Part Listing
(Model B2-S )
Note: Items 27 and 28 are only supplied on Model B2-SG
* Item 27 Trigger uard
* Item 28 Inlet Body
For replacement trigger guard kit order
part set B2-1S K
Order for replacement
Item No. off Part / set Kit ref Description
B2-1K (KIT A)
1 1 A Plunger guide bush
2 1 A Plunger
3 1 A Backup w asher
4 1 A O'ring (BS008)
5 1 A Valve body
9 1 KH23s Extension tube
10 1 KY Coupler
11 1 n/a un body
12 1 A 1/4" Steel ball
16 1 A Ball support
13 1 A Ball spring
15 1 A Spring guide
8 2 A Valve insert
7 2 for B2-01 model A Valve spring
6 2 order BJ24s A 7/32" Steel ball
23 1 for B2-S model A O'ring (BS013)
14 1 order B2-1S K Inlet body
20 2 Trigger link
21 2 Link pin
19 2 BJ26s Screw
17 1 Lock nut
18 1 Adjusting screw
24 1 High nut
22 1 n/a Trigger
25 2 ZSB Sw ivel adapter assembly
26 1 Sw ivel body assembly
27 1 B2-1S K * Trigger uard
28 1 * Inlet body
BJ31 Issue 18 © 2017 Page 4 of 4
For Warranty Terms and Conditions see macnaught.com.au
For a list of Australian Service Centres see macnaught.com.au
B2-01 & B2-SG
Note:
This product should be disposed of according to all applicable local
and national government environment regulations and guidelines.
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