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Maintenance
General Service Adjustments
The high-speed mechanical parts as well as high
temperature components may result in severe
injury, severed limbs, or fatality.
Les pièces mécaniques se déplaçant à haute
vitesse de même que les composantes à tempéra-
ture élevée peuvent causer des blessures graves
ou des amputations.
Engine Speed
1. This unit uses a governor to set and maintain
engine speed. The engine speed is adjusted by
pulling the throttle out to maximum travel for high
speed operation. For lower temperature or
vacuum setting, rotate knob clockwise two turns or
as needed to obtain desired temperature and
vacuum settings. Pushed in, the engine is at idle
speed (1200 rpm). With throttle pulled out, engine
operates at maximum rpm (2850).
DO NOT attempt to adjust without a tachometer and
NEVER adjust the engine to exceed stated maximum
RPM (Full Load). Permanent damage may occur.
NE PAS tenter d'effectuer un réglage sans
tachymètre et ne JAMAIS régler le moteur de façon
à excéder le nombre de tours par minutes indiqué
(pleine charge). Cela pourrait cause des
dommages permanents.
Check Valve (Solution Outlet)
Inspect the check valve whenever doing service on the
chemical pump or if flow problems occur in the
chemical system:
1. Remove the check valve. Be sure the small o-ring
for the seat comes out with the check valve.
2. Remove the seat, using a 5/16" Allen wrench.
3. Check the Teflon seat for debris or wear. Clean or
replace Teflon seat if needed.
4. Clean the poppet and spring, inspect for wear or
damage, and replace as needed.
46
86411120 Manual Operators - Peak GTX2 Prochem
5. Re-assemble the check valve. Start the seat by
hand, tighten using a 5/16" Allen wrench. DO NOT
over-tighten seat.
Tight wrap
On spring
Use 5/16 Allen
Wrench to remove
NOTE: Improper seating of the check valve poppet,
damaged spring or o-rings will cause poor operation
of the chemical system.
6. Lubricate the o-rings with o-ring lubricant Part
#86265430 and reinstall.
Water Box
1. Check inlet strainer for debris and blockage. A
blocked strainer could damage the solution pump if
water flow is restricted.
2. Inspect water box float valve for freedom of
movement and water leaking past valve.
Chemical Pump
The only repairs which the chemical pump may require
is the replacement of the diaphragm, plastic disk or
check valves. To replace the diaphragm and plastic
disk, unscrew the cover from the body. When replacing
the diaphragm, lubricate the outer edges of the
diaphragm with o-ring lubricant (P/N 86265430) and
reassemble. To replace the check valves, unscrew the
check valve caps. Replace the check valves and reas-
semble, using new o-rings.
DO NOT attempt to re-use o-rings once the check
valves have been removed. See the "Illustrated Parts
Listing" for a parts break-down on the chemical pump.
Solution and Vacuum Pump Drive Belts
Use only exact replacement for system drive belts. Use
only exact manufacturer and models for replacements
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