2
 Learn more. Visit hunterindustries.com/golf
TTS  
TOTAL TOP SERVICE 
MEANS NO DIGGING.
Thank you for purchasing Hunter’s TTS golf and large turf rotors.
Rotor Numbering System  3
Installation & Operation  4
Solenoid Connections  5
0N-Auto-O Selection  6
Control Tubing Connections  7
Riser Servicing And Adjustments  8
Upper Snap-Ring Removal – G800 Series  8
Upper Snap-Ring Removal – G900 Series  9
Riser Removal – All Models  10
Arc Adjustment Preparation – 
G35, G75, G85 & G95 Part-Circle Risers  11
Arc Adjustment Procedure – G35, G75 & G95 
Adjustable Part-Circle Risers  12
Nozzle Replacement – G70 Risers  13
Nozzle Replacement – G35 & G75 Risers  14
Nozzle Replacement – G80 Risers  15
Nozzle Replacement – G90 Risers  16
Nozzle Replacement – G95 Risers  17
Riser Seal Replacement – G35, G70 & G75 Risers  19
Riser Seal Replacement – G80 Risers  20
Riser Seal Replacement – G90 & G95 Risers  22
Riser Filter Screen Servicing – All TTS Rotors  24
Stator Adjustments –  
Why And When Are They Needed?  25
Stator Adjustments – G35, G70 & G75 Risers  25
Stator Adjustments – G80 Risers  26
Stator Adjustments – G90 & G95 Risers  27
Riser Replacement – Full-Circle Risers  27
Riser Replacement – G35, G75 & G95  
Adjustable Part-Circle Risers  28
Upper Snap-Ring Installation Tips  28
Upper Snap-Ring Installation – G800 Series  29
Upper Snap-Ring Installation – G900 Series  29
Inlet Valve Removal  31
Valve Identication   31
Inlet Valve Removal –  
Disengaging The Safety Interlock Feature   32
Inlet Valve Removal – G800 Series  33
Inlet Valve Removal – G900 Series  35
Inlet Valve Servicing – All Models  38
Inlet Valve Installation – Safety Warnings  39
Inlet Valve Installation – G800 Series  39
Inlet Valve Installation – G900 Series  43
Solenoid, Pilot Valve & Regulator Servicing  47
Access To Flange Compartment Components   47
Selector Cap Removal  48
Solenoid & Pilot Valve Assembly Removal  49
Solenoid & Servicing And Replacement  49
Pilot Valve Replacement  52
Connecting Solenoid To The Pilot Valve  53
Attaching The Assembled Solenoid And  
Pilot Valve To The Flange Compartment  54
Attaching Selector Cap To The Solenoid  55
Pressure Regulator Purpose, Settings  
And Adjustment Procedures  55
Pressure Regulator Adjustment  56
Pressure Regulator Replacement  57
Attaching The Flange Compartment Lid  58
TTS rotors include all the features and quality you expect from rotors in this category with  
the added unique benet of Total Top Serviceability. With Hunter’s TTS rotors, every 
serviceable component within the rotor can be accessed from the top without digging. So as 
ongoing routine maintenance is required, the surrounding turf remains playable, productive 
and pleasing to the eye.This manual covers all aspects of installation, operation and servicing 
for Hunter’s TTS rotors including models G835, G870, G875, G880, G884 , G885, G990  
and G995.
For the latest information, specications and the location of the distributor near you, visit 
the Hunter Golf website at www.hunterindustries.com/golf. Additionally, Hunter Technical 
Services can be contacted at 800-733-2823 option #3.
TABLE OF CONTENTS