Viking Pump TSM630.2: LS-QS Universal Seal - Manual (Page 4)

SECTION TSM 630.2 ISSUE I PAGE 4 OF 12
FIGURE 4
EXPLODED VIEW OF UNIVERSAL BRACKET PUMP (TYPICAL)
ITEM NAME OF PART ITEM NAME OF PART ITEM NAME OF PART
1 Locknut 17 Packing Gland Capscrew 39 Idler Pin
2 Lockwasher 19 Packing 40 Head and Pin Assembly
3 End Cap for Bearing Housing 25 Bracket Bushing 43 Stud for Head
4 Bearing Spacer Collar (Outer) 27 Bracket and Bushing Assembly 44 Nut for Head
5 Lip Seal for Bearing Housing (2 Req’d) 28 Capscrew for Bracket 45 Relief Valve Gasket
6 Roller Bearing (2 Req’d) 29 Bracket Gasket 46 Capscrew for Relief Valve
7 Bearing Housing 30 Pipe Plug 47 Internal Relief Valve
8 Bearing Spacer Collar (Inner) 31 Casing 48 Heater Cartridges for Bracket (124E Pumps Only)
12 Grease Fitting 34 Pipe Flange Gasket 49* Heater Cartridges for Head (124E Pumps Only)
13 Mechanical Seal 35 Head Gasket 51 Stud for Flanges
13B Cartridge Mechanical Seal 36 Rotor and Shaft Assembly 52 Nut for Flanges
15 Packing Gland 37 Idler and Bushing Assembly Not Illus. Cover Plate, Relief Valve
16 Packing Gland Nut 38 Idler Bushing
DANGER !
Before opening any Viking pump liquid
chamber (pumping chamber, reservoir,
relief valve adjusting cap fitting, etc.)
Be sure:
1. That any pressure in the chamber has
been completely vented through the
suction or discharge lines or other
appropriate openings or connections.
2. That the driving means (motor, turbine,
engine, etc.) has been “locked out”
or made non-operational so that it
cannot be started while work is being
done on pump.
3. That you know what liquid the pump
has been handling and the precautions
necessary to safely handle the liquid.
Obtain a material safety data sheet
(MSDS) for the liquid to be sure these
precautions are understood.
Failure to follow above listed
precautionary measures may result in
serious injury or death.
DISASSEMBLY 1. Mark head and casing before disassembly to insure
proper reassembly. The idler pin, which is offset in
pump head, must be positioned toward and equal
distance between port connections to allow for proper
flow of liquid through the pump.
Remove head from pump. Do not allow idler to fall from
idler pin. Tilt top of head back when removing to prevent
this. Avoid damaging head gasket. If pump is furnished
with pressure relief valve, it need not be removed from
head or disassembled at this point. Refer to Pressure
Relief Valve Instructions, page 9.
If pump has jacketed head plate, it will separate from
head when it is removed. The gasket between head
and jacket head plate must be totally removed. Use
new gasket when assembling pump.
2. Remove idler and bushing assembly.
3. Insert length of hardwood or brass through port opening
between rotor teeth or lock coupling end or shaft to keep
shaft from turning. Bend up tang of lockwasher and with
a spanner wrench; remove locknut and lockwasher from
shaft.
4. Loosen two setscrews in the face of the bearing housing
and remove the bearing housing assembly from the
bracket. Refer to Figure 5 or 6, page 5.
5. Remove pair of half round rings under the inner spacer
collar from the shaft. NOTE: There are no half round
rings on “Q” and “QS” size pumps.
6. Remove packing gland capscrews, slide-packing gland
out of stuffing box, and remove packing.
NOTE: Reference Mechanical Seal Replacement
beginning on page 6 when disassembling seal pump.
* The number of Heater Cartridges for Head varies by pump size.
See Table 2 on Page 13 for the number required by pump size.