Hamilton Jet HJ241, Manual

Page: 123 / 202

9.19
9 OVERHAUL
9.6 B
EARING
H
OUSING
A
SSEMBLY
O
VERHAUL
HJ-241 / HSRX
7. Waterseal and Stationary Face Assembly
(Items [2] & [3] in Drawing 61483).
Check the
mating faces of Items [2] & [3] are not scored,
cracked or chipped. The Waterseal Stationary
Face [2] should be checked without removing it
from the Seal Face Holder [12].
8. It is recommended that all the Seal rotary
components ([3], [4], [5], [6] & [7] and the
Stationary Face components [1] & [2] in
Drawing
61483 Rotary Seal be replaced even if only one
appears worn.
9. O-Ring [35]. Check for cuts, deformation or
permanent set. Replace "O" Ring if any defects
or damage are found. Ensure that this "O"-Ring
is refitted on reassembly.
10. Mainshaft [1]. Check for signs of scuffing,
pitting or corrosion. Remove any burrs from the
Waterseal area with emery paper. Thoroughly
clean on completion.
11. All Parts. Thoroughly clean and examine all
parts prior to re-assembly
.
9.6.2 Water Seal Replacement and
Re-Fitting
1. If the Mainshaft has been removed from the Jet
Unit and the Water Seal Retaining Pin [15] has
been removed, insert a new Water Seal Retaining
Pin [15] into the hole in the Mainshaft, folding the
legs closely around the Mainshaft to avoid their
fouling with the Seal Face Holder [12].
2. Coat the Mainshaft / Water Seal location area
with a 20:1 water and household detergent mix.
3. Slide the Waterseal Spring Cap [7] and Spring [6]
(Drawing 61483 Rotary Seal refers) onto the
Mainshaft up to the Water Seal Retaining Pin
hole in the Mainshaft.
4. Carefully slide the remaining Water Seal Rotary
components (Items [3],[4] & [5] of Drawing
61483 Rotary Seal ) onto the Mainshaft, to their
approximate final position. If necessary wrap
tape around the Mainshaft shoulder to ease the
Water Seal over, this will prevent damaging the
Water Seal.
NOTE: The Neoprene Bellows [4] (Shown in
Drawing 61483 Rotary Seal ) will bind to
the Mainshaft [1] after about 15 minutes,
ensure that the assembly of the Bearing
Figure 30: HJ-241 Jet Water Seal
Table 13: HJ-241 Jet Waterseal Components
ITEM NO. DESCRIPTION
1 Neoprene Boot
2 Ceramic Stationary Face
3 Resin Bonded Face
4 Neoprene Bellows
5 Holder
6 Spring
7 Spring Cap
C
AUTION
All Water seal faces must be clean
and free of grease.