Viking Pump TSM312: G-N 32/432 - Manual (Page 8)

SECTION TSM 312 ISSUE G PAGE 8 OF 11
FIgURE 14
FIgURE 13 - gaSKET TaBLE
7. Place packing retainer washer in bottom of packing
chamber and pack pump with new packing. Use packing
suitable for liquid being pumped. Install packing,
staggering the joints from one side of shaft to other.
Lubricate packing rings with oil, grease or graphite to
aid assembly. A length of pipe will help to seat each
packing ring.
NOTE: If the pump has a lantern ring it must be located
below the grease fitting. The grease fitting may be removed
to facilitate positioning of the lantern ring.
8. Install packing gland, capscrews and nuts.
NOTE: Pump may be equipped with a 2-piece split packing
gland. See Figure 14.
Install the mechanical seal: Place the set-collar on the shaft
and tighten setscrew. See Figure 15, page 8 for set-collar
location.
The seal used in this pump is simple to install and good
performance will result if care is taken during installation.
The principle of the mechanical seal is contact between the
rotary and stationary members. These parts are lapped to
a high finish and their seating effectiveness depends on
complete contact.
Once rotating position of mechanical seal is installed on
rotor shaft, it is necessary to assemble parts as quickly as
possible to ensure seal does not stick to shaft in the wrong
axial position. The seal should be expected to stick to shaft
after several minutes setting time.
1. Never touch sealing faces with anything except clean
hands or clean cloth. Minute particles can scratch the
seal faces and cause leakage.
2. The spring washer and spring must be put on the shaft
first and in that order. (See Figure 15, page 8).
3. Spread a film of lubricating oil on the inside diameter
of the synthetic rubber bellows. Check the end of the
pump shaft for sharp burrs or edges which might cut the
bellows. Slide the seal rotary member over the shaft and
up against the spring.
4. Coat the synthetic rubber seal seat with lubricating oil
and push the seal seat into the end cap. Put the end
cap gasket on the end of the casing. Slide end cap over
the shaft and flush both the seal seat and carbon wear
ring in the seal rotary member with oil. Push the end cap
up until the mating surfaces of the seal meet. Install the
capscrews and tighten evenly.
MECHaNICaL SEaL OPTION
DaNgER !
Before starting pump, be sure all drive
equipment guards are in place.
Failure to properly mount guards may
result in serious injury or death.
SPRINg WIRE RETaINER CLIP (2 REQUIRED)
SPLIT PaCKINg gLaND
(2 REQUIRED)
CaPSCREW
(2 REQUIRED)
PUMP
MODEL
NORMaL
aMOUNT
USED
ONE SET OF gaSKETS
CONSISTS OF THE
FOLLOWINg
STaNDaRD
END
CLEaRaNCE
G32
G432
.010” - .015”
2 - .006”
1 - .005”
2 - .002”
.003”
H, HL32
H, HL432
.010” - .015”
2 - .006”
2 - .002”
.003”
J, K, KK32 .015” - .020”
1 - .015”
1 - .010”
1 - .006”
.005”
L, LQ, LL32 .025” - .030”
1 - .015”
1 - .010”
1 - .006”
.005”
Q32 .012” - .030”
2 - .015”
1 - .006”
.010”
M, N32 .015” - .036”
2 - .015”
1 - .006”
.015”