Page 64 - PH_Masonry_Final_Ver 1_July 2020
P. 64
Operating Of Auto Plastering Machine
At First the Machine should be inspected properly
by checking
a) Hydraulic Oil
b) Gear Oil
c) Water in Piston Chamber
d) Electrical Switches
e) Lever of Upper Hopper
f) Lever of Mortar Outlet
Then the Mortar Hose and Air Hose should be checked weather there is any dry mortar inside
the both hose.
Hoppers and Chambers are checked properly to ensure there shouldn‘t be any debris of mor-
tar in dried condition.
Air Hose has to be joined with machine by Coupler. Then Mortar hose is to be attached with
machine keeping reducer pipe in front, attached with Nozzle/Gun.
Lower hopper is to be filled with cement slurry containing half of the hopper volume and mix-
ing procedure of mortar to be commence in the upper hopper keeping ratio of 1:2:3 ( Ce-
ment : Crusher Dust: Sand). Air Entering Agent is also to be added mixed with water while the
mixing procedure is going on.
When the mortar is properly mixed it is then pour in the lower hopper with the help of the leaver.
Then the Mortar outlet should be opened and let the mortar flown through pipe.
When the spraying need to be restricted for some reason change the direction of the leaver to
the previous direction to make a rotation from lower hopper to lower hopper.
Procedure for Spraying On Wall
Mortar hose & Air Hose both should be fixed with machine keeping Rubber washer inside
Coupling
While plastering always remember both the hose should not be bend while work is going on.
Spraying should be done Horizontally Zig-Zag way, and if not more than 10 mm in a layer. If
more thickness is needed repeat after a few gap letting the first coat dry.
The gap between Nozzles should not be more than 300 mm.
Participant Handbook : Masonry 64