WATERAX MARK-3 Owner's Manual
03/2016 – Page 7 of 52
Features and Benefits of the WATERAX MARK-3 series include:
Quick release clamp and swappable pump ends for minimal equipment downtime and
inventory
Sealed bearing to eliminate pump end greasing in the field
Aluminum alloy pump components and anodized parts for lighter weight and greater
resistance to corrosion
Compatible with foam applications
Blister resistant mechanical rotary seal
Comprehensive manuals
The MARK-3 unit has been designed to meet all the requirements of advanced techniques
in forest fire control, including USDA Forest Service Specifications No. 5100-274C.
Considered an emergency rescue equipment, the MARK-3 is exempt from EPA emission
standards under 40 CFR 1054.660.
Parts Identification
A. Priming cap
B. Pump intake (suction)
C. Pump discharge
D. Quick release pump clamp
E. Fuel connection*
F. Engine drain plug
G. Air filter
H. Choke (not shown)
I. Throttle
J. Rewind starter
K. Digital Overspeed Switch (DOS)
L. Spark plug
M. Decompression switch – optional
(not shown)
N. Muffler