Plunger pumps, Rk series pumps, North america – Vortexx RK Series User Manual
Page 11

Plunger Pumps
Operating Instructions and Parts Manual
RK Series Pumps
First Choice When Quality Matters
NORTH
AMERICA
Figure 45
Figure 44
Figure 47
Figure 43
Figure 42
Figure 46
Service Pumps (continued)
4. Install the small cop-
per washer on top 
of the plunger and 
place a small quantity 
of thread sealant in the 
thread. Install the plunger 
nut and tighten to the 
required torque. (See 
Figure 42 & 43) 
(See parts
breakdown)
Pump head to drive end
Installation
1. Turn the crankshaft to
align the plungers as 
shown. (See Figure 44)
2. Place the head evenly
onto the plungers and 
push it until it makes 
contact with the drive 
end of the pump. (See 
Figure 45)
3. Torque the head
bolt as shown in the 
tightening sequence 
diagram. (See Figure 
46 & 47) 
(See parts break-
down)
.
Oil Change
Change oil after first 50 hours of use. 
Then every 500 hours. Refer to parts 
breakdown for oil type.
