FF-MM-403-REV - 00
Page 11
Operation and Maintenance Guide Pneumatic Deck Scalers
Diassembly and Re-assembly for FPHD-11
a. Shut off air supply and allow residual Pres-
sure to bleed off.
Handle & Armoured Hose:
b. Unscrew Ball valve (15) from Male Adaptor
(16) & unscrew Male Adaptor (16) from
Armoured Hose (14) to replace it with new
ones. (If found damaged/worn-out)
c. Unscrew Nyloc Nuts (38) with Plain washer
(13-common) from U Bolt (36) to replace it
with new ones.
d. Unscrew Armoured Hose (14) from Cylin-
der Block (7) to replace it with new ones. (If
found damaged/worn-out)
e. Unscrew Nyloc Nuts (34) with Plain wash-
ers (35) from Rubber Mounting (33) and
Rubber Mountings (20) and replace it with
new ones. (If found damaged/worn-out)
f. Now remove the Rubber mountings (33)
and Rubber Mountings (20) with Cylinder
Block Assembly from Sub-Frame (26)
Cylinder Block Assembly:
g. Unscrew Allen Bolt (10) & Allen Bolt (11)
from Top Plate (6).
h. Unscrew Cruciform Cutter Heads (3) from
Piston (2) to replace it with new ones.
i. Remove O-ring (5), Piston (5), Cylinder
(1), Hexagonal Plug (40) and Sealing wash-
er from Cylinder Block (7) respectively to
replace it with new ones. (If found damaged/
worn-out)
j. Follow Step ‘c’ &‘d’ to replace the remaining
piston assemblies from Cylinder Block (7).
k. Unscrew Hex Head Bolts (39) from Sealing
Plate (12) & Remove Brush Seals (4) from
Sealing Plate (12) to replace it with new
ones. (If found damaged/worn-out).
l. Remove Pin Spiral (30) from Bottom han-
dle (17) & remove Torsion Spring (32) from
Latch (31) to replace it with new ones. (If
found damaged/worn-out).
m. Unscrew Nyloc Nut (23) with Plain Washer
(24) from Hex Bolt (22) and remove Bottom
Handle (17) from Sub frame (26)
n. Remove Rubber Mountings (25) from
Bottom Handle (17) and replace it with new
ones.
o. Now follow the above steps in reverse man-
ner to reassemble the FPHD-11.
