BLACKMER HANDPUMPS
960350 
INSTRUCTIONS NO. 301-A00
INSTALLATION OPERATION AND MAINTENANCE
INSTRUCTIONS 
Section
Effective
Replaces
301
July 2003
385/A1 June 1996
ROTARY MODELS 210A and F210A
 
 
 
INSTALLATION AND MAINTENANCE
 
 
 
Hazardous or toxic
fluids can cause
serious injury.
IF PUMPING HAZARDOUS OR TOXIC
FLUIDS, SYSTEM MUST BE FLUSHED
AND DECONTAMINATED, INSIDE AND
OUT, PRIOR TO PERFORMING SERVICE
OR MAINTENANCE
 
Blackmer cast iron pumps are intended primarily for the
transfer of fuel oil, lubricating oil, gasoline, and other non-
corrosive liquids.
They are generally not satisfactory for pumping water. In some
applications, condensation or water in the liquid will cause an
accumulation of rust inside the pump, which may cause the
pump to bind or turn hard. Pouring kerosene or penetrating oil
into the pipe opening, and turning the crank several times will
usually free the pump. Loosening the head capscrews one-half
turn, and turning the crank several times should also solve the
problem. Severely rusted pumps should be dismantled and
cleaned.
Blackmer model F210A has been approved by Factory Mutual
for the transfer of petroleum and other flammable liquids from
drum storage. When used with a hose, nozzle, vacuum
breaker and nozzle hanger, the drip pan is not required. The
bung assembly must be used if a drip pan is omitted. When
only the spout is used and the hose is omitted, the drip pan is
required. The locking device is optional.
The BR210A model is equipped with a nozzle hanger. Attach it
to the pump by removing the capscrew located directly to the
left of the crankshaft and attach the nozzle hanger (Ref. No.
56) with the 1/4" x 1" capscrew (Ref. No. 11A) provided.
DISASSEMBLY
To disassemble the pump, first remove the six (6) head
capscrews. The head assembly, consisting of the head, the
crank handle assembly, and the shaft & pin assembly, can
then be disengaged from the cylinder. Be careful not to
damage the thin paper gasket, or to drop any of the internal
parts.
IMPORTANT NOTE:
A gasket set includes three (3) gaskets of different
thicknesses. They are identified by the number of punched
holes in the gasket. For example:
No holes or two holes = .002" thick
Three holes = .003" thick
Four holes = .004" thick
The different size gaskets allow adjustments for internal
clearances. When replacing a gasket in a fairly new pump, use
a gasket of the same thickness as the one being replaced. If
the pump is badly worn, try the next thinner gasket. If too thin a
gasket is used, the pump will not turn freely; if too thick a
gasket is used, the pump will lose some priming ability. These
gaskets are stocked and sold in sets of three so that you may
always select the most suitable one.
ASSEMBLY
The following assembly instructions are intended for right-hand
rotation of the pump (clockwise).
To reassemble the pump, first position the cylinder, cavity side
out, with the ports in the vertical position and the BLACKMER
name upright.
Place the rotor in the cylinder with the relief grooves facing in
the direction of rotation (clockwise), as shown in Figure 1
 
Figure 1  Relief Groove Location
For vane replacement, insert the vane spring into the hole in
the vane. Then place the vane assembly, spring first, into the
slot in the rotor. Compress the spring against the bottom of the
vane slot and slide the vane into position. Make sure the end
of the spring enters the coinciding hole in the rotor slot. Repeat
this procedure for the two remaining vanes.
Install the gasket on the cylinder, making sure to align the
gasket to match the capscrew holes. Attach the head
assembly to the cylinder with the word INTAKE closest to the
intake port (directly below the crankshaft when the ports are
vertical). The pin in the shaft must be engaged in the slot in
the rotor. Install and uniformly tighten the head capscrews.
NOTE: The pump must turn freely upon reassembly. If it does
not turn freely, check to make sure a gasket of proper
thickness was installed. (Refer to IMPORTANT NOTE.)
To assemble the two-piece suction pipe, apply a sealant to the
fine thread on the pipe and screw it into the threaded end of
the suction tube. Place sealant on the other end of the pipe
and secure it to the hex end of the bushing (Ref. No. 67). Next,
secure the pipe to the cylinder (Ref. No. 1).
To install the telescoping suction pipe, place the pipe O-ring
into the O-ring groove on the iron (upper) pipe. Lubricate the
O-ring with a light grease, and push it into the aluminum
(lower) tube to the desired depth.
.