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Blower Repair & Maintenance Manual #34-05198-6 v1.2 11.2014
15
Disassembly of Blower
(con’t)
STEP
8
PROCEDURE
Remove retainer rings (I) from gear end bearing cartridges and remove bearings (P)
from cartridges
9
10
11
12
13
Remove seals (
J
) and O-rings (
K
) in cartridges.
Mark position of headplate (
L
) to housing (
M
).
Remove the two counter-sunk head capscrews and the two dowel pins from each
headplate.
Remove one headplate (
L
).
Mark the position of the long impeller (
N
) in the housing and slide impeller out of
housing.
Remove the other headplate (
L
)
Clean all parts and inspect all parts for wear or damage.
ASSEMBLY OF BLOWER
STEP
1
2
3
4
5
6
7
PROCEDURE
Set housing on work bench with the casting number (510G) on the right had side
and up.
Install the headplate on the end facing. If sameheadplate is used install 2
– 5/16”
dowel pins and two
– 3/8” X 1” socket cap screws in counter sunk holes, also 4 –
3/8” X 1 – ¾” sockethead capscrews evenly spaced. (Do not tighten completely)
(Make sure the ventholes in headplate are pointing down.)
Turn the casing around and return the impellers in housing as marked (Re: step 12
of Disassembly)
Install the other headplate doing the same as (Step 3).
Check bearings for wear and damage. Replace where required.
Install new seals and O-rings in cartridges. Return bearings to cartridges. Make sure
the bearings stick slightly out of the cartridge, approximately 1/8”. Reinstall retainer
rings using new 10
– 24 X 1/2” nylock socket head capscrews, on gearend cartridges
only.
Lubricate cartridge pockets in the headplates and the shaft sleeves where the seals
and O-rings fit with oil.